C18.5
C18.5 — Malignant neoplasm of splenic flexure
Billable / specific codeICD-10-CM
C18.5 is a billable, specific ICD-10-CM code for malignant neoplasm of splenic flexure. It is valid for submission on a claim.
Risk adjustment
C18.5 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 22 Bladder, Colorectal, and Other Cancers0.363 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
C18.5 is named in 101 Medicare coverage policies — 101 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
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Related codes at this level
Codes that share C18. If C18.5 is not quite right, the correct code is usually one of these.
- C18.0Malignant neoplasm of cecum
- C18.1Malignant neoplasm of appendix
- C18.2Malignant neoplasm of ascending colon
- C18.3Malignant neoplasm of hepatic flexure
- C18.4Malignant neoplasm of transverse colon
- C18.6Malignant neoplasm of descending colon
- C18.7Malignant neoplasm of sigmoid colon
- C18.8Malignant neoplasm of overlapping sites of colon
- C18.9Malignant neoplasm of colon, unspecified
Questions about C18.5
- Is C18.5 a billable ICD-10-CM code?
- Yes. C18.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C18.5 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of digestive organs (C15-C26).