ICD-9-CM diagnosis code (retired)
253.4 — Other anterior pituitary disorders
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 253.4
253.4 is an ICD-9-CM diagnosis code for other anterior pituitary disorders. 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, E23.6 (Other disorders of pituitary gland). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- E23.6Other disorders of pituitary glandapproximate
Common questions about 253.4
What is the ICD-10 code for ICD-9 253.4?
- The GEMs map 253.4 to ICD-10-CM E23.6.
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.