S66.39 — Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
Not billable
Is S66.39 billable?
No — S66.39 is a non-billable header code. S66.39 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 30 billable codes beneath S66.39.
Billable codes under this header
- S66.390AOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter
- S66.390DOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter
- S66.390SOther injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level, sequela
- S66.391AOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter
- S66.391DOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter
- S66.391SOther injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level, sequela
- S66.392AOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter
- S66.392DOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter
- S66.392SOther injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela
- S66.393AOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter
- S66.393DOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter
- S66.393SOther injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela
- S66.394AOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter
- S66.394DOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter
- S66.394SOther injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela
- S66.395AOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter
- S66.395DOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter
- S66.395SOther injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela
- S66.396AOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter
- S66.396DOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter
- S66.396SOther injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level, sequela
- S66.397AOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter
- S66.397DOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter
- S66.397SOther injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level, sequela
- S66.398AOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter
- S66.398DOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter
- S66.398SOther injury of extensor muscle, fascia and tendon of other finger at wrist and hand level, sequela
- S66.399AOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter
- S66.399DOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter
- S66.399SOther injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela
S66.39 at a glance
| Code | S66.39 |
|---|---|
| Description | Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S66.39 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to S66.39. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Injury › muscle › finger › index › extensor › hand level › specified type NEC
- Injury › muscle › finger › little › extensor › hand level › specified type NEC
- Injury › muscle › finger › middle › extensor › hand level › specified type NEC
- Injury › muscle › finger › ring › extensor › hand level › specified type NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside S66.39 to fully describe the condition. S66.39 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S66.39, but a patient may have both at the same time. When documentation supports it, S66.39 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S66.39, but a patient may have both at the same time. When documentation supports it, S66.39 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S66
The conditions below are not part of S66.39, but a patient may have both at the same time. When documentation supports it, S66.39 and the excluded code may both be reported.
- sprain of joints and ligaments of wrist and hand (S63.-)
Excludes2 — not included here — inherited from S66.3
The conditions below are not part of S66.39, but a patient may have both at the same time. When documentation supports it, S66.39 and the excluded code may both be reported.
- Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2-)
Code also — inherited from S66
Two codes may be needed to describe the condition fully. Whether S66.39 is sequenced first depends on the reason for the encounter.
- any associated open wound (S61.-)
What codes fall under S66.39? (10)
- S66.390Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand levelnot billable
- S66.391Other injury of extensor muscle, fascia and tendon of left index finger at wrist and hand levelnot billable
- S66.392Other injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand levelnot billable
- S66.393Other injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand levelnot billable
- S66.394Other injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand levelnot billable
- S66.395Other injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand levelnot billable
- S66.396Other injury of extensor muscle, fascia and tendon of right little finger at wrist and hand levelnot billable
- S66.397Other injury of extensor muscle, fascia and tendon of left little finger at wrist and hand levelnot billable
- S66.398Other injury of extensor muscle, fascia and tendon of other finger at wrist and hand levelnot billable
- S66.399Other injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand levelnot billable
How long has S66.39 existed?
S66.39 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the S66.3 family? (3)
- S66.30Unspecified injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnot billable
- S66.31Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnot billable
- S66.32Laceration of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelnot billable