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Dr. Rulong  Ren  Md image

Dr. Rulong Ren Md

441 N Wabash Ave
Marion IN 46952
765 624-4648
Medical School: Other - 1985
Accepts Medicare: Yes
Participates In eRX: No
Participates In PQRS: Yes
Participates In EHR: No
License #: 01058125A
NPI: 1588685481
Taxonomy Codes:
207ZP0102X

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Awards & Recognitions

About Us

Practice Philosophy

Conditions

Dr. Rulong Ren is associated with these group practices

Procedure Pricing

HCPCS Code Description Average Price Average Price
Allowed By Medicare
HCPCS Code:88307 Description:Tissue exam by pathologist Average Price:$300.00 Average Price Allowed
By Medicare:
$76.63
HCPCS Code:88305 Description:Tissue exam by pathologist Average Price:$225.01 Average Price Allowed
By Medicare:
$35.16
HCPCS Code:88304 Description:Tissue exam by pathologist Average Price:$150.00 Average Price Allowed
By Medicare:
$10.52
HCPCS Code:88307 Description:Tissue exam by pathologist Average Price:$214.50 Average Price Allowed
By Medicare:
$76.63
HCPCS Code:88172 Description:Cytp dx eval fna 1st ea site Average Price:$145.00 Average Price Allowed
By Medicare:
$32.81
HCPCS Code:88333 Description:Intraop cyto path consult 1 Average Price:$165.63 Average Price Allowed
By Medicare:
$58.02
HCPCS Code:88331 Description:Path consult intraop 1 bloc Average Price:$160.00 Average Price Allowed
By Medicare:
$57.36
HCPCS Code:88332 Description:Path consult intraop addl Average Price:$125.00 Average Price Allowed
By Medicare:
$28.46
HCPCS Code:88302 Description:Tissue exam by pathologist Average Price:$100.00 Average Price Allowed
By Medicare:
$6.20
HCPCS Code:88108 Description:Cytopath concentrate tech Average Price:$110.00 Average Price Allowed
By Medicare:
$20.84
HCPCS Code:88173 Description:Cytopath eval fna report Average Price:$150.00 Average Price Allowed
By Medicare:
$65.74
HCPCS Code:88177 Description:Cytp fna eval ea addl Average Price:$104.35 Average Price Allowed
By Medicare:
$20.16
HCPCS Code:88342 Description:Immunohistochemistry Average Price:$114.97 Average Price Allowed
By Medicare:
$39.61
HCPCS Code:88313 Description:Special stains group 2 Average Price:$70.00 Average Price Allowed
By Medicare:
$11.21
HCPCS Code:88300 Description:Surgical path gross Average Price:$55.00 Average Price Allowed
By Medicare:
$4.19
HCPCS Code:88368 Description:Insitu hybridization manual Average Price:$111.00 Average Price Allowed
By Medicare:
$61.18
HCPCS Code:88342 Description:Immunohistochemistry Average Price:$119.80 Average Price Allowed
By Medicare:
$71.19
HCPCS Code:88305 Description:Tissue exam by pathologist Average Price:$90.83 Average Price Allowed
By Medicare:
$49.96
HCPCS Code:88304 Description:Tissue exam by pathologist Average Price:$55.01 Average Price Allowed
By Medicare:
$15.84
HCPCS Code:88120 Description:Cytp urne 3-5 probes ea spec Average Price:$89.78 Average Price Allowed
By Medicare:
$50.67
HCPCS Code:88311 Description:Decalcify tissue Average Price:$50.00 Average Price Allowed
By Medicare:
$11.52
HCPCS Code:88112 Description:Cytopath cell enhance tech Average Price:$86.18 Average Price Allowed
By Medicare:
$48.73
HCPCS Code:84153 Description:Assay of psa total Average Price:$59.00 Average Price Allowed
By Medicare:
$26.06
HCPCS Code:88312 Description:Special stains group 1 Average Price:$56.18 Average Price Allowed
By Medicare:
$25.19
HCPCS Code:88363 Description:Xm archive tissue molec anal Average Price:$59.00 Average Price Allowed
By Medicare:
$33.33
HCPCS Code:88313 Description:Special stains group 2 Average Price:$53.35 Average Price Allowed
By Medicare:
$29.32
HCPCS Code:88300 Description:Surgical path gross Average Price:$20.04 Average Price Allowed
By Medicare:
$4.19

HCPCS Code Definitions

88177
Cytopathology, evaluation of fine needle aspirate; immediate cytohistologic study to determine adequacy for diagnosis, each separate additional evaluation episode, same site (List separately in addition to code for primary procedure)
88300
Level I - Surgical pathology, gross examination only
88112
Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal
88173
Cytopathology, evaluation of fine needle aspirate; interpretation and report
88172
Cytopathology, evaluation of fine needle aspirate; immediate cytohistologic study to determine adequacy for diagnosis, first evaluation episode, each site
88120
Cytopathology, in situ hybridization (eg, FISH), urinary tract specimen with morphometric analysis, 3-5 molecular probes, each specimen; manual
88302
Level II - Surgical pathology, gross and microscopic examination Appendix, incidental Fallopian tube, sterilization Fingers/toes, amputation, traumatic Foreskin, newborn Hernia sac, any location Hydrocele sac Nerve Skin, plastic repair Sympathetic ganglion Testis, castration Vaginal mucosa, incidental Vas deferens, sterilization
88313
Special stain including interpretation and report; Group II, all other (eg, iron, trichrome), except stain for microorganisms, stains for enzyme constituents, or immunocytochemistry and immunohistochemistry
88300
Level I - Surgical pathology, gross examination only
88312
Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver)
88311
Decalcification procedure (List separately in addition to code for surgical pathology examination)
88304
Level III - Surgical pathology, gross and microscopic examination Abortion, induced Abscess Aneurysm - arterial/ventricular Anus, tag Appendix, other than incidental Artery, atheromatous plaque Bartholin's gland cyst Bone fragment(s), other than pathologic fracture Bursa/synovial cyst Carpal tunnel tissue Cartilage, shavings Cholesteatoma Colon, colostomy stoma Conjunctiva - biopsy/pterygium Cornea Diverticulum - esophagus/small intestine Dupuytren's contracture tissue Femoral head, other than fracture Fissure/fistula Foreskin, other than newborn Gallbladder Ganglion cyst Hematoma Hemorrhoids Hydatid of Morgagni Intervertebral disc Joint, loose body Meniscus Mucocele, salivary Neuroma - Morton's/traumatic Pilonidal cyst/sinus Polyps, inflammatory - nasal/sinusoidal Skin - cyst/tag/debridement Soft tissue, debridement Soft tissue, lipoma Spermatocele Tendon/tendon sheath Testicular appendage Thrombus or embolus Tonsil and/or adenoids Varicocele Vas deferens, other than sterilization Vein, varicosity
88307
Level V - Surgical pathology, gross and microscopic examination Adrenal, resection Bone - biopsy/curettings Bone fragment(s), pathologic fracture Brain, biopsy Brain/meninges, tumor resection Breast, excision of lesion, requiring microscopic evaluation of surgical margins Breast, mastectomy - partial/simple Cervix, conization Colon, segmental resection, other than for tumor Extremity, amputation, non-traumatic Eye, enucleation Kidney, partial/total nephrectomy Larynx, partial/total resection Liver, biopsy - needle/wedge Liver, partial resection Lung, wedge biopsy Lymph nodes, regional resection Mediastinum, mass Myocardium, biopsy Odontogenic tumor Ovary with or without tube, neoplastic Pancreas, biopsy Placenta, third trimester Prostate, except radical resection Salivary gland Sentinel lymph node Small intestine, resection, other than for tumor Soft tissue mass (except lipoma) - biopsy/simple excision Stomach - subtotal/total resection, other than for tumor Testis, biopsy Thymus, tumor Thyroid, total/lobe Ureter, resection Urinary bladder, TUR Uterus, with or without tubes and ovaries, other than neoplastic/prolapse
88304
Level III - Surgical pathology, gross and microscopic examination Abortion, induced Abscess Aneurysm - arterial/ventricular Anus, tag Appendix, other than incidental Artery, atheromatous plaque Bartholin's gland cyst Bone fragment(s), other than pathologic fracture Bursa/synovial cyst Carpal tunnel tissue Cartilage, shavings Cholesteatoma Colon, colostomy stoma Conjunctiva - biopsy/pterygium Cornea Diverticulum - esophagus/small intestine Dupuytren's contracture tissue Femoral head, other than fracture Fissure/fistula Foreskin, other than newborn Gallbladder Ganglion cyst Hematoma Hemorrhoids Hydatid of Morgagni Intervertebral disc Joint, loose body Meniscus Mucocele, salivary Neuroma - Morton's/traumatic Pilonidal cyst/sinus Polyps, inflammatory - nasal/sinusoidal Skin - cyst/tag/debridement Soft tissue, debridement Soft tissue, lipoma Spermatocele Tendon/tendon sheath Testicular appendage Thrombus or embolus Tonsil and/or adenoids Varicocele Vas deferens, other than sterilization Vein, varicosity
88305
Level IV - Surgical pathology, gross and microscopic examination Abortion - spontaneous/missed Artery, biopsy Bone marrow, biopsy Bone exostosis Brain/meninges, other than for tumor resection Breast, biopsy, not requiring microscopic evaluation of surgical margins Breast, reduction mammoplasty Bronchus, biopsy Cell block, any source Cervix, biopsy Colon, biopsy Duodenum, biopsy Endocervix, curettings/biopsy Endometrium, curettings/biopsy Esophagus, biopsy Extremity, amputation, traumatic Fallopian tube, biopsy Fallopian tube, ectopic pregnancy Femoral head, fracture Fingers/toes, amputation, non-traumatic Gingiva/oral mucosa, biopsy Heart valve Joint, resection Kidney, biopsy Larynx, biopsy Leiomyoma(s), uterine myomectomy - without uterus Lip, biopsy/wedge resection Lung, transbronchial biopsy Lymph node, biopsy Muscle, biopsy Nasal mucosa, biopsy Nasopharynx/oropharynx, biopsy Nerve, biopsy Odontogenic/dental cyst Omentum, biopsy Ovary with or without tube, non-neoplastic Ovary, biopsy/wedge resection Parathyroid gland Peritoneum, biopsy Pituitary tumor Placenta, other than third trimester Pleura/pericardium - biopsy/tissue Polyp, cervical/endometrial Polyp, colorectal Polyp, stomach/small intestine Prostate, needle biopsy Prostate, TUR Salivary gland, biopsy Sinus, paranasal biopsy Skin, other than cyst/tag/debridement/plastic repair Small intestine, biopsy Soft tissue, other than tumor/mass/lipoma/debridement Spleen Stomach, biopsy Synovium Testis, other than tumor/biopsy/castration Thyroglossal duct/brachial cleft cyst Tongue, biopsy Tonsil, biopsy Trachea, biopsy Ureter, biopsy Urethra, biopsy Urinary bladder, biopsy Uterus, with or without tubes and ovaries, for prolapse Vagina, biopsy Vulva/labia, biopsy
88307
Level V - Surgical pathology, gross and microscopic examination Adrenal, resection Bone - biopsy/curettings Bone fragment(s), pathologic fracture Brain, biopsy Brain/meninges, tumor resection Breast, excision of lesion, requiring microscopic evaluation of surgical margins Breast, mastectomy - partial/simple Cervix, conization Colon, segmental resection, other than for tumor Extremity, amputation, non-traumatic Eye, enucleation Kidney, partial/total nephrectomy Larynx, partial/total resection Liver, biopsy - needle/wedge Liver, partial resection Lung, wedge biopsy Lymph nodes, regional resection Mediastinum, mass Myocardium, biopsy Odontogenic tumor Ovary with or without tube, neoplastic Pancreas, biopsy Placenta, third trimester Prostate, except radical resection Salivary gland Sentinel lymph node Small intestine, resection, other than for tumor Soft tissue mass (except lipoma) - biopsy/simple excision Stomach - subtotal/total resection, other than for tumor Testis, biopsy Thymus, tumor Thyroid, total/lobe Ureter, resection Urinary bladder, TUR Uterus, with or without tubes and ovaries, other than neoplastic/prolapse
88305
Level IV - Surgical pathology, gross and microscopic examination Abortion - spontaneous/missed Artery, biopsy Bone marrow, biopsy Bone exostosis Brain/meninges, other than for tumor resection Breast, biopsy, not requiring microscopic evaluation of surgical margins Breast, reduction mammoplasty Bronchus, biopsy Cell block, any source Cervix, biopsy Colon, biopsy Duodenum, biopsy Endocervix, curettings/biopsy Endometrium, curettings/biopsy Esophagus, biopsy Extremity, amputation, traumatic Fallopian tube, biopsy Fallopian tube, ectopic pregnancy Femoral head, fracture Fingers/toes, amputation, non-traumatic Gingiva/oral mucosa, biopsy Heart valve Joint, resection Kidney, biopsy Larynx, biopsy Leiomyoma(s), uterine myomectomy - without uterus Lip, biopsy/wedge resection Lung, transbronchial biopsy Lymph node, biopsy Muscle, biopsy Nasal mucosa, biopsy Nasopharynx/oropharynx, biopsy Nerve, biopsy Odontogenic/dental cyst Omentum, biopsy Ovary with or without tube, non-neoplastic Ovary, biopsy/wedge resection Parathyroid gland Peritoneum, biopsy Pituitary tumor Placenta, other than third trimester Pleura/pericardium - biopsy/tissue Polyp, cervical/endometrial Polyp, colorectal Polyp, stomach/small intestine Prostate, needle biopsy Prostate, TUR Salivary gland, biopsy Sinus, paranasal biopsy Skin, other than cyst/tag/debridement/plastic repair Small intestine, biopsy Soft tissue, other than tumor/mass/lipoma/debridement Spleen Stomach, biopsy Synovium Testis, other than tumor/biopsy/castration Thyroglossal duct/brachial cleft cyst Tongue, biopsy Tonsil, biopsy Trachea, biopsy Ureter, biopsy Urethra, biopsy Urinary bladder, biopsy Uterus, with or without tubes and ovaries, for prolapse Vagina, biopsy Vulva/labia, biopsy
88342
Immunohistochemistry or immunocytochemistry, each separately identifiable antibody per block, cytologic preparation, or hematologic smear; first separately identifiable antibody per slide
88333
Pathology consultation during surgery; cytologic examination (eg, touch prep, squash prep), initial site
88332
Pathology consultation during surgery; each additional tissue block with frozen section(s) (List separately in addition to code for primary procedure)
88313
Special stain including interpretation and report; Group II, all other (eg, iron, trichrome), except stain for microorganisms, stains for enzyme constituents, or immunocytochemistry and immunohistochemistry
88331
Pathology consultation during surgery; first tissue block, with frozen section(s), single specimen
88368
Morphometric analysis, in situ hybridization (quantitative or semi-quantitative) each probe; manual
88342
Immunohistochemistry or immunocytochemistry, each separately identifiable antibody per block, cytologic preparation, or hematologic smear; first separately identifiable antibody per slide
88363
Examination and selection of retrieved archival (ie, previously diagnosed) tissue(s) for molecular analysis (eg, KRAS mutational analysis)
88108
Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique)

Medical Malpractice Cases

None Found

Medical Board Sanctions

None Found

Referrals

NPI
Doctor Name
Specialty
Count
1649216391
Rheumatology
7,908
1275635260
Radiation Oncology
5,401
1669467932
Internal Medicine
4,869
1962446096
Family Practice
4,489
1184686743
Orthopedic Surgery
2,866
1093779829
Emergency Medicine
1,994
1134129679
Urology
1,875
1477507952
Family Practice
1,844
1013075878
General Surgery
1,654
1194796391
Diagnostic Radiology
1,651
*These referrals represent the top 10 that Dr. Ren has made to other doctors

Publications

Fine-needle aspiration cytology of Hürthle cell carcinoma of the thyroid. - Diagnostic cytopathology
Specific criteria for the diagnosis of fine-needle aspiration (FNA) of Hürthle Cell Carcinoma (HCC) have rarely been discussed in the literature. A retrospective review of 35 FNA cases with the diagnosis of Hürthle cell lesion or Hürthle cell neoplasm was performed. In each case, there was a subsequent surgical excision. The FNA specimens were divided according to histologic diagnoses as HCC (12 cases), Hürthle cell adenoma (HCA) (14 cases), and benign nonneoplastic Hürthle cell lesions (BNHCL) (9 cases). Each case was examined using a semiquantitative scoring system for the following 11 features: presence or absence of colloid, lymphocytes, and transgressed blood vessels (each scored 0 or 1); the percentage of nuclear enlargement, small cell dysplasia, large cell dysplasia, nuclear crowding, and cellular dyshesion (each scored 0-3); and age, gender, and size of lesion. When diagnosed by FNA as either Hürthle cell neoplasm or Hürthle cell lesion, males were much more likely to have malignant tumors than females. Statistically significant cytologic features that favored malignant (HCC) over benign lesions (HCA and BNHCL) included small cell dysplasia, large cell dysplasia, nuclear crowding, and cellular dyshesion. The presence of colloid and lymphocytes favored a benign lesion. Nuclear enlargement and large tumor size are significantly more common in neoplasms than BNHCL.
Fine-needle aspiration of adrenal cortical carcinoma: cytologic spectrum and diagnostic challenges. - American journal of clinical pathology
We reviewed the cytologic features of 20 adrenal cortical carcinomas (ACCs; 9 primary and 11 metastatic) from 19 patients and highlighted diagnostic pitfalls. The mean size of primary ACCs was 11.9 cm, and that of metastatic ACCs was 3.0 cm. The metastatic sites were liver, lung, lymph node, soft tissue, and bone. Primary and metastatic ACCs were cytologically similar and showed a wide range of features varying from well-differentiated tumor resembling a benign cortical lesion or low-grade neuroendocrine tumor to poorly differentiated pleomorphic tumor mimicking poorly differentiated carcinoma, melanoma, or high-grade sarcoma. The common cytologic features were hypercellularity (70% of cases), necrotic debris in the background (70%), moderate to marked nuclear pleomorphism (80%), mitotic figures (90%), and prominent nucleoli (60%). Twenty percent of cases exhibited all 5 features; 40% exhibited 4 features, and 40% exhibited 3 features. Necrosis and/or mitosis were found in all cases, even in tumors with bland cytologic features. Cytologic, immunophenotypic, and ultrastructural findings should be correlated with clinical and radiologic information for achieving a proper cytologic diagnosis.
Fine needle aspiration cytology of well-differentiated papillary mesothelioma: a case report. - Acta cytologica
Well-differentiated papillary mesothelioma (WDPM) is an uncommon subtype of mesothelioma that typically occurs in the peritoneum of women without a history of asbestos exposure and usually follows an indolent clinical course. Fine needle aspiration (FNA) of this type of tumor has rarely been reported.A 64-year-old woman with 11-year history of colon cancer and an adrenal nodule was found, on abdominal computed tomography, to have a mass in the right lobe of the liver. Aspirates of the mass were composed of abundant, tight, papillary groups, monolayered, pavementlike sheets; and scattered single cells with minimal atypia. The cell block showed a predominantly papillary growth pattern and a single layer of bland, cuboidal to flattened covering cells with stout, fibrovascular cores containing clusters of foamy histiocytes. Tumor cells in the focal tubulopapillary and solid areas were mingled with inflammatory cells and showed slightly more atypia than did the cells covering the papillae. The differential diagnoses were intrahepatic papillary neoplasm, including well-differentiated mesothelioma and metastatic low grade papillary serous carcinoma. At surgery the tumor was found to be a pedunculated peritoneal mass that arose from the posterior surface of the right lobe of the liver. The mesothelial origin of the tumor was confirmed by both immunoperoxidase study and electron microscopic examination, which demonstrated long, slender, branching microvilli.Familiarity with the cytomorphologic features and clinical presentation of WDPM, knowledge of the exact anatomic location and consideration of the appropriate differential diagnosis combined with ancillary studies are the keys to an accurate diagnosis.
Fine-needle aspiration cytology of a liver metastasis of follicular dendritic cell sarcoma. - Diagnostic cytopathology
Follicular dendritic cell sarcoma (FDCS) is an uncommon neoplasm derived from FDCs in lymphoid tissue. Metastatic FDCS to the liver is rare. We present a case of a 65-yr-old woman who was referred to our institution 1 mo after splenectomy for FDCS of the spleen. An abdominal CT scan revealed a 2.0-cm liver lesion, which led to fine-needle aspiration (FNA) biopsy. Smears of the aspiration obtained were hypercellular showing a pleomorphic population of large oval to spindle-shaped tumor cells against a background of small mature lymphocytes, plasma cells, and necrotic debris. Tumor cells were arranged singly, in syncytial or fascicular patterns, and had a moderate amount of cytoplasm and indistinct cell borders. Nuclei had irregular nuclear membranes, finely granular to vesicular chromatin, and prominent nucleoli. Multinucleated and binucleated cells resembling Reed-Sternberg cells were noted occasionally. Mitotic figures, including atypical forms, were frequently identified. The diagnosis of "pleomorphic malignant spindle-cell neoplasm consistent with metastatic FDCS" was rendered and later confirmed by histological review and immunohistochemical staining of the subsequent liver resection specimen. Although cytological features of FDCS are characteristic, they are overlapping with those of many other tumors. We review the literature on this entity with emphasis on FNA cytomorphology, differential diagnosis, and immunohistochemical findings.(c) 2005 Wiley-Liss, Inc.
Fine-needle aspiration cytology of blastic natural killer-cell lymphoma (CD4+ CD56+ hematodermic neoplasm). - Diagnostic cytopathology
We describe fine-needle aspiration (FNA) cytology findings of a case of blastic natural killer (NK)-cell lymphoma. The patient was a 68-year-old man who was diagnosed with cutaneous blastic NK-cell lymphoma involving his forehead. He developed a 1.5 cm, right pre-auricular lymph node five months later. FNA cytology revealed a monomorphic population of medium-sized lymphoid cells with a dispersed single cell arrangement. The tumor cells contained eccentrically located nuclei with a plasmacytoloid appearance and moderate amount of grayish cytoplasm without azurophilic granules. The nuclei were round to oval with fine chromatin, small indistinct nucleoli, and frequent nuclear indentation. Many cells also showed elongated cytoplasm with a unique hand-mirror or ping-pong paddle-like appearance. The flow cytometry study obtained during the FNA revealed co-expression of CD4 and CD56 in the tumor cells that confirm the recurrence of a blastic NK-cell lymphoma to the pre-auricular lymph node.Copyright 2004 Wiley-Liss, Inc.

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