Get started free

S66

Non-billable

Injury of muscle, fascia and tendon at wrist and hand level

S66 is the ICD-10-CM code for Injury of muscle, fascia and tendon at wrist and hand level. It is a non-billable category code — use a more specific child code such as S66.0 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Subcodes
8
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Excludes2 — not included here

  • •sprain of joints and ligaments of wrist and hand (S63.-)

Notes

  • •any associated open wound (S61.-)

Frequently asked questions

What is ICD-10 code S66?
S66 is the ICD-10-CM code for "Injury of muscle, fascia and tendon at wrist and hand level". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S66 a billable code?
No — S66 is a non-billable header code. Use a more specific child code (such as S66.0) for billing.
What are the subcodes of S66?
S66 has 8 more specific child codes, including S66.0, S66.1, S66.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →