M95 vs Z89

M95 (Other acquired deformities of musculoskeletal system and connective tissue) compared with Z89 (Acquired absence of limb), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. M95 carries an Excludes2 note covering Z89: “acquired absence of limbs and organs (Z89-Z90)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	M95Other acquired deformities of musculoskeletal system and connective tissue	Z89Acquired absence of limb
Billing status	Non-billable header Report instead: M95.0, M95.10, M95.11, M95.12, M95.2	Non-billable header Report instead: Z89.011, Z89.012, Z89.019, Z89.021, Z89.022
Classification	M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)	Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
Definition	Other acquired deformities of musculoskeletal system and connective tissue is a non-billable ICD-10-CM category code (M95).	Acquired absence of limb is a non-billable ICD-10-CM category code (Z89).
Includes	—	amputation status postprocedural loss of limb post-traumatic loss of limb

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources