ICD-10-CM 2027 diagnosis code

M16Osteoarthritis of hip

Not billable — use a more specific code

M16 is a header code, so it can't be reported by itself. Choose one of the 9 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About M16

M16 is the ICD-10-CM diagnosis code for osteoarthritis of hip. It belongs to block M15-M19 (osteoarthritis) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 9 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: M16.0 (hip), M16.1 (hip), M16.2 (dysplasia), M16.3 (dysplasia), M16.4 (hip), M16.5 (hip), M16.6 (hip), M16.7 (hip) and 1 more.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under M16

Notes that apply from higher levels

Instructions written at a parent level also apply to M16.

Broader instructions also apply from M15-M19 Osteoarthritis and Chapter 13: Diseases of the musculoskeletal system and connective tissue.

Codes whose notes reference M16

M15Excludes1

Code history

2016
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2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about M16

Is M16 billable?: No. M16 is a header code. Report one of its more specific subcodes instead.