ICD-10 M66.879
Spontaneous rupture of other tendons, unspecified ankle and foot
ICD10
M66.879
Diseases of the musculoskeletal system and connective tissue
Description
Spontaneous rupture of other tendons, unspecified ankle and foot
Common Specialties
Emergency Medicine, Orthopedics
Documentation Requirements
- Document clinical indications and clear medical necessity supporting the encounter or procedure.
- Ensure complete provider signatures, credentials, date, and specific place of service (POS).
- Verify documentation strictly supports code specificity to prevent downcoding or claim denials.
Billing & Coding Tips
- Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
- Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
- Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.
Related Codes
M66 M66.0 M66.1 M66.10 M66.11 M66.111 M66.112 M66.119 M66.12 M66.121 M66.122 M66.129 M66.13 M66.131 M66.132
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