M16 vs M47

M16 (Osteoarthritis of hip) compared with M47 (Spondylosis), 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. M16 carries an Excludes2 note covering M47: “osteoarthritis of spine (M47.-)”

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

Side by side

	M16Osteoarthritis of hip	M47Spondylosis
Billing status	Non-billable header Report instead: M16.0, M16.10, M16.11, M16.12, M16.2	Non-billable header Report instead: M47.011, M47.012, M47.013, M47.014, M47.015
Classification	M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)	M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
Definition	Osteoarthritis of hip is a non-billable ICD-10-CM category code (M16).	Spondylosis is a non-billable ICD-10-CM category code (M47).
Includes	—	arthrosis or osteoarthritis of spine degeneration of facet joints

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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