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ICD-9-CM diagnosis code (retired)

816.10 — Open fracture of phalanx or phalanges of hand, unspecified

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 816.10

816.10 is an ICD-9-CM diagnosis code for open fracture of phalanx or phalanges of hand, unspecified. 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 2 ICD-10-CM codes, such as S62.509B (Fracture of unspecified phalanx of unspecified thumb, initial encounter for open fracture) and S62.609B (Fracture of unspecified phalanx of unspecified finger, initial encounter for open fracture). All of these are approximate matches, so review the record to pick the right one.

ICD-10-CM equivalents

Common questions about 816.10

What is the ICD-10 code for ICD-9 816.10?

The GEMs map 816.10 to ICD-10-CM S62.509B and S62.609B.

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.