All ICD10 Codes

C49.3

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of connective and soft tissue of thorax

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • Malignant neoplasm of axilla
  • Malignant neoplasm of diaphragm
  • Malignant neoplasm of great vessels
Excludes1(Not coded here)
  • malignant neoplasm of breast (C50.-)
  • malignant neoplasm of heart (C38.0)
  • malignant neoplasm of mediastinum (C38.1-C38.3)
  • malignant neoplasm of thymus (C37)
General instructions are available for the parent sections:
View C49 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C45-C49Malignant neoplasms of mesothelial and soft tissue (C45-C49)
C49Malignant neoplasm of other connective and soft tissue
C49.3Malignant neoplasm of connective and soft tissue of thorax

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C49.3:

categoryC49
Malignant neoplasm of other connective and soft tissue
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C49.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

14 raw paths
Neoplasm, neoplastic14 unique routes
aorta (thoracic)→C49.3
connective tissue NEC(9 variants)
axilla→C49.3
chest (wall)→C49.3
diaphragm→C49.3
great vessels NEC→C49.3
infraclavicular region→C49.3
intrathoracic→C49.3
scapular region→C49.3
thoracic (duct) (wall)→C49.3
thorax→C49.3
diaphragm→C49.3
great vessels NEC→C49.3
thorax, thoracic (cavity) (organs NEC)
duct→C49.3
vena cava (abdominal) (inferior)
superior→C49.3

MS-DRG Classification

2026 v43.1

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

DRG 542
Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy with MCC
DRG 543
Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy with CC
DRG 544
Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy without CC/MCC

Cross Reference

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