ICD-10-CM
S66.398: Other injury of extensor muscle, fascia and tendon of other finger at wrist and hand level
A header, not a billable code. Bill a more specific code under it.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Header. Not a billable code.
- Category
- S66
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Codes under S66.398
A header groups codes and is not billed. A billable code is one you can report.
- S66.398AOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounterBillable
- S66.398DOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounterBillable
- S66.398SOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequelaBillable
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Code also
The CDC tabular list says a second code may be needed with this one. The note does not set which is listed first.
From S66. A note on a category applies to every code under it.
Code also any associated open wound (S61.-)