ICD-9-CM diagnosis code (retired)
343.0 — Congenital diplegia
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 343.0
343.0 is an ICD-9-CM diagnosis code for congenital diplegia. 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, G80.1 (Spastic diplegic cerebral palsy). The match is exact.
ICD-10-CM equivalents
- G80.1Spastic diplegic cerebral palsyexact match
Common questions about 343.0
What is the ICD-10 code for ICD-9 343.0?
- The GEMs map 343.0 to ICD-10-CM G80.1.
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.