ICD-9-CM diagnosis code (retired)
163.1 — Malignant neoplasm of visceral pleura
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 163.1
163.1 is an ICD-9-CM diagnosis code for malignant neoplasm of visceral pleura. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, C38.4 (Malignant neoplasm of pleura). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- C38.4Malignant neoplasm of pleuraapproximate
Common questions about 163.1
What is the ICD-10 code for ICD-9 163.1?
- The GEMs map 163.1 to ICD-10-CM C38.4.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.