S66.5
Non-billableInjury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level
S66.5 is the ICD-10-CM code for Injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level. It is a non-billable category code — use a more specific child code such as S66.50 for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHNo matter how old you are or what you do for a living, you are always using your hands. When there is something wrong with them, you may not be able to do your regular activities. Hand problems include : Carpal tunnel syndrome - compression of a nerve as it goes through the wrist, often making your fingers feel numb Injuries that result in fractures (broken bones), ruptured ligaments and dislocations Osteoarthritis…
Read more about Hand Injuries and Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level (S66.4-)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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