C46.50 — Kaposi's sarcoma of unspecified lung
Is C46.50 billable?
Yes, but C46.50 is an unspecified code. C46.50 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, C46.50 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting C46.50 — the more specific alternatives are listed below.
More specific alternatives
C46.50 at a glance
| Code | C46.50 |
|---|---|
| Description | Kaposi's sarcoma of unspecified lung |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C46.50 group to?
C46.50 sits in MDC 04 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.
- 180Respiratory Neoplasms with MCCmedical
- 181Respiratory Neoplasms with CCmedical
- 182Respiratory Neoplasms without CC/MCCmedical
As a secondary diagnosis, C46.50 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is C46.50 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under C46.5, the nearest indexed parent of C46.50. Use them to find the family, then select the specific code.
- Kaposi's › sarcoma › lung
- Sarcoma › Kaposi's › lung (of)
Code first — inherited from C46
The underlying condition below must be sequenced before C46.50. C46.50 describes a manifestation and cannot be the principal or first-listed diagnosis.
- any human immunodeficiency virus [HIV] disease (B20)
How long has C46.50 existed?
C46.50 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.