ICD-9-CM diagnosis code (retired)
276.1 — Hyposmolality and/or hyponatremia
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 276.1
276.1 is an ICD-9-CM diagnosis code for Hyposmolality and/or hyponatremia. 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, E87.1 (Hypo-osmolality and hyponatremia). The match is exact.
ICD-10-CM equivalents
- E87.1Hypo-osmolality and hyponatremiaexact match
Common questions about 276.1
What is the ICD-10 code for ICD-9 276.1?
- The GEMs map 276.1 to ICD-10-CM E87.1.
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.