C45.7 — Mesothelioma of other sites
Is C45.7 billable?
Yes — C45.7 is billable for FY2027. C45.7 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C45.7 may be submitted for encounters from October 1, 2026 through September 30, 2027.
C45.7 at a glance
| Code | C45.7 |
|---|---|
| Description | Mesothelioma of other sites |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C45.7 group to?
C45.7 sits in MDC 17 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 826Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCCsurgical
- 827Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CCsurgical
- 828Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures without CC/MCCsurgical
How is C45.7 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C45.7. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Mesothelioma › site classification › liver (malignant)
- Mesothelioma › site classification › lung (malignant)
- Mesothelioma › site classification › mediastinum (malignant)
- Mesothelioma › site classification › retroperitoneum (malignant)
- Mesothelioma › site classification › specified site NEC (malignant)
How long has C45.7 existed?
C45.7 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.