ICD-9-CM diagnosis code (retired)
238.71 — Essential thrombocythemia
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 238.71
238.71 is an ICD-9-CM diagnosis code for essential thrombocythemia. 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, D47.3 (Essential (hemorrhagic) thrombocythemia). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- D47.3Essential (hemorrhagic) thrombocythemiaapproximate
Common questions about 238.71
What is the ICD-10 code for ICD-9 238.71?
- The GEMs map 238.71 to ICD-10-CM D47.3.
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.