ICD-9-CM diagnosis code (retired)
277.89 — Other specified disorders of metabolism
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 277.89
277.89 is an ICD-9-CM diagnosis code for other specified disorders of metabolism. 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 6 ICD-10-CM codes, such as C96.5 (Multifocal and unisystemic Langerhans-cell histiocytosis), C96.6 (Unifocal Langerhans-cell histiocytosis) and E71.39 (Other disorders of fatty-acid metabolism). All of these are approximate matches, so review the record to pick the right one.
ICD-10-CM equivalents
- C96.5Multifocal and unisystemic Langerhans-cell histiocytosisapproximate
- C96.6Unifocal Langerhans-cell histiocytosisapproximate
- E71.39Other disorders of fatty-acid metabolismapproximate
- E80.3Defects of catalase and peroxidaseapproximate
- E88.89Other specified metabolic disordersapproximate
- E88.9Metabolic disorder, unspecifiedapproximate
Common questions about 277.89
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.