S66.3 - Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level

Applicable to Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
The 2025 edition of ICD10-CM S66.3 became effective on October 1, 2024.
This is the American ICD10-CM version of S66.3 - other international versions of ICD10 S66.3 may differ.
S66.3 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
S66.3 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

S66.3 - Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.3 - Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.30 - Unspecified injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.300 - Unspecified injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.301 - Unspecified injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.302 - Unspecified injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.303 - Unspecified injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.304 - Unspecified injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.305 - Unspecified injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.306 - Unspecified injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.307 - Unspecified injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.308 - Unspecified injury of extensor muscle, fascia and tendon of other finger at wrist and hand level
- S66.309 - Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
- S66.31 - Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.310 - Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.311 - Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.312 - Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.313 - Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.314 - Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.315 - Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.316 - Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.317 - Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.318 - Strain of extensor muscle, fascia and tendon of other finger at wrist and hand level
- S66.319 - Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
- S66.32 - Laceration of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.320 - Laceration of extensor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.321 - Laceration of extensor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.322 - Laceration of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.323 - Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.324 - Laceration of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.325 - Laceration of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.326 - Laceration of extensor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.327 - Laceration of extensor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.328 - Laceration of extensor muscle, fascia and tendon of other finger at wrist and hand level
- S66.329 - Laceration of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
- S66.39 - Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
- S66.390 - Other injury of extensor muscle, fascia and tendon of right index finger at wrist and hand level
- S66.391 - Other injury of extensor muscle, fascia and tendon of left index finger at wrist and hand level
- S66.392 - Other injury of extensor muscle, fascia and tendon of right middle finger at wrist and hand level
- S66.393 - Other injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level
- S66.394 - Other injury of extensor muscle, fascia and tendon of right ring finger at wrist and hand level
- S66.395 - Other injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level
- S66.396 - Other injury of extensor muscle, fascia and tendon of right little finger at wrist and hand level
- S66.397 - Other injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level
- S66.398 - Other injury of extensor muscle, fascia and tendon of other finger at wrist and hand level
- S66.399 - Other injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level

Type 2 Excludes

Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2-)

Non-Billable/Non-Specific Code

The following codes above S66.3 contain annotation back-references that may be applicable to S66.3:

Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
Section: S60-S69 - Injuries to the wrist, hand and fingers
Category: S66 - Injury of muscle, fascia and tendon at wrist and hand level