All ICD10 Codes

C37

Billable
ChapterC00–D49
Rankcategory
Description

Malignant neoplasm of thymus

About ICD-10-CM code C37

Under C00-D49 Neoplasms, within Malignant neoplasms of respiratory and intrathoracic organs (C30-C39), ICD-10-CM code C37 describes Malignant neoplasm of thymus. This code can be billed directly for covered encounters.

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

C30-C39 Parent Instructions

Includes
  • malignant neoplasm of middle ear
Excludes1(Not coded here. Use a different code.)
  • mesothelioma (C45.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • malignant carcinoid tumor of the thymus (C7A.091)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C30-C39Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
C37Malignant neoplasm of thymusBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C37:

blockC30-C39
Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 826
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC
DRG 827
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CC
DRG 828
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures without CC/MCC
DRG 829
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures with CC/MCC
DRG 830
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures without CC/MCC
DRG 843
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with MCC
DRG 844
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with CC
DRG 845
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses without CC/MCC

Cross Reference

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