C49.A5
Billable codeGastrointestinal stromal tumor of rectum
The ICD-10 code for gastrointestinal stromal tumor of rectum is C49.A5.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C49.A0Gastrointestinal stromal tumor, unspecified site
- C49.A1Gastrointestinal stromal tumor of esophagus
- C49.A2Gastrointestinal stromal tumor of stomach
- C49.A3Gastrointestinal stromal tumor of small intestine
- C49.A4Gastrointestinal stromal tumor of large intestine
- C49.A9Gastrointestinal stromal tumor of other sites
- C49.A5Gastrointestinal stromal tumor of rectum
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1715Approximate match
Associated MS-DRGs
C49.A5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.