ICD-9-CM diagnosis code (retired)
781.99 — Other symptoms involving nervous and musculoskeletal systems
About ICD-9-CM 781.99
781.99 is an ICD-9-CM diagnosis code for other symptoms involving nervous and musculoskeletal systems. 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 4 ICD-10-CM codes, such as R29.818 (Other symptoms and signs involving the nervous system), R29.898 (Other symptoms and signs involving the musculoskeletal system) and R29.90 (Unspecified symptoms and signs involving the nervous system). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- R29.818Other symptoms and signs involving the nervous systemapproximate
- R29.898Other symptoms and signs involving the musculoskeletal systemapproximate
- R29.90Unspecified symptoms and signs involving the nervous systemapproximate
- R29.91Unspecified symptoms and signs involving the musculoskeletal systemapproximate
Common questions about 781.99
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.