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Diagnosis Code

C37 MALIGNANT NEOPLASM OF THYMUS


Code Information

Diagnosis Code: C37

Short Description: Malignant neoplasm of thymus

Long Description: Malignant neoplasm of thymus

The code C37 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
      • Malignant neoplasm of thymus (C37)
        • C37 Malignant neoplasm of thymus

Code Version: 2022 ICD-10-CM


Synonyms

  • Malignant thymoma
  • Malignant tumor of thymus
  • Primary malignant neoplasm of thymus
  • Primary small cell neoplasm of thymus
  • Primary thymic carcinoma
  • Stage I: Grossly and microscopically encapsulated
  • Stage IIa: Microscopic transcapsular invasion
  • Stage IIb: Macroscopic capsular invasion into thymic or surrounding fat, or grossly adherent to, but not breaking through, mediastinal pleura or pericardium
  • Stage III: Macroscopic invasion of neighboring organs
  • Stage IVa: Pleural or pericardial dissemination
  • Stage IVb: Hematogenous or lymphatic dissemination
  • Thymic epithelial neoplasm stage finding
  • Thymic epithelial neoplasm stage finding
  • Thymic epithelial neoplasm stage finding
  • Thymic epithelial neoplasm stage finding
  • Thymic epithelial neoplasm stage finding
  • Thymic epithelial neoplasm stage finding
  • Thymoma
  • Thymoma
  • Thymoma
  • Thymoma
  • Thymoma
  • Thymoma
  • Thymoma type A
  • Thymoma type AB
  • Thymoma type B
  • Type C thymoma

Diagnostic Related Group(s)

The code C37 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures With Mcc (826)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures With Cc (827)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures Without Cc/mcc (828)

References to Index of Diseases and Injuries

The code C37 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • malignant carcinoid tumor of the thymus (@C7A.091*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C37 Right Arrow 164.0 Malignant neopl thymus

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description

This page was last updated on: 10/1/2023

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