C78.00
C78.00 — Secondary malignant neoplasm of unspecified lung
Billable / specific codeICD-10-CMunspecified
C78.00 is a billable, specific ICD-10-CM code for secondary malignant neoplasm of unspecified lung. It is valid for submission on a claim.
Risk adjustment
C78.00 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 17 Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic4.209 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
C78.00 is named in 29 Medicare coverage policies — 29 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
- A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
Related codes at this level
Codes that share C78.0. If C78.00 is not quite right, the correct code is usually one of these.
Questions about C78.00
- Is C78.00 a billable ICD-10-CM code?
- Yes. C78.00 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does C78.00 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80).