C45.7 — Mesothelioma of other sites
C45.7 is a billable, specific ICD-10-CM code for mesothelioma of other sites. It is valid for submission on a claim.
Risk adjustment
C45.7 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 19 Myelodysplastic Syndromes, Multiple Myeloma, and Other Cancers1.798 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
C45.7 is named in 52 Medicare coverage policies — 52 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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How C45.7 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to C45.7.
- Mesothelioma›site classification›liver
- Mesothelioma›site classification›lung
- Mesothelioma›site classification›mediastinum
- Mesothelioma›site classification›retroperitoneum
- Mesothelioma›site classification›specified site NEC
Related codes at this level
Codes that share C45. If C45.7 is not quite right, the correct code is usually one of these.
Questions about C45.7
- Is C45.7 a billable ICD-10-CM code?
- Yes. C45.7 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C45.7 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of mesothelial and soft tissue (C45-C49).