10ICD Code Hub

M66.33

Header — not billable

Spontaneous rupture of flexor tendons, forearm

The ICD-10 code for spontaneous rupture of flexor tendons, forearm is M66.33.

M66.33 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

Documentation support

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

Child codes under M66.33

Related codes in this category