10ICD Code Hub

M19.9

Header — not billable

Osteoarthritis, unspecified site

The ICD-10 code for osteoarthritis, unspecified site is M19.9.

M19.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under M19.9

Related codes in this category