FY2027 ICD-10-CM reference
M16: Osteoarthritis of hip
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Osteoarthritis of hip. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- M16.0: Bilateral primary osteoarthritis of hipBillable code
- M16.1: Unilateral primary osteoarthritis of hipNonbillable heading
- M16.2: Bilateral osteoarthritis resulting from hip dysplasiaBillable code
- M16.3: Unilateral osteoarthritis resulting from hip dysplasiaNonbillable heading
- M16.4: Bilateral post-traumatic osteoarthritis of hipBillable code
- M16.5: Unilateral post-traumatic osteoarthritis of hipNonbillable heading
- M16.6: Other bilateral secondary osteoarthritis of hipBillable code
- M16.7: Other unilateral secondary osteoarthritis of hipBillable code
- M16.9: Osteoarthritis of hip, unspecifiedBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: M00-M99 (chapter, inherited).
Excludes2
arthropathic psoriasis (L40.5-)
Source: M00-M99 (chapter, inherited).
Excludes2
certain conditions originating in the perinatal period (P04-P96)
Source: M00-M99 (chapter, inherited).
Excludes2
certain infectious and parasitic diseases (A00-B99)
Source: M00-M99 (chapter, inherited).
Excludes2
compartment syndrome (traumatic) (T79.A-)
Source: M00-M99 (chapter, inherited).
Excludes2
complications of pregnancy, childbirth and the puerperium (O00-O9A)
Source: M00-M99 (chapter, inherited).
Excludes2
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
Source: M00-M99 (chapter, inherited).
Excludes2
endocrine, nutritional and metabolic diseases (E00-E88)
Source: M00-M99 (chapter, inherited).
Excludes2
injury, poisoning and certain other consequences of external causes (S00-T88)
Source: M00-M99 (chapter, inherited).
Excludes2
neoplasms (C00-D49)
Source: M00-M99 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: M00-M99 (chapter, inherited).
Excludes2
osteoarthritis of spine (M47.-)
Source: M15-M19 (section, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does M16 mean in FY2027?
The official ICD-10-CM descriptor is Osteoarthritis of hip. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is M16 billable in FY2027?
The FY2027 order file marks M16 as a nonbillable heading. Select a complete billable child code.
Does M16 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition