S66.01

Non-Billable

ChapterS00–T88

Ranksubcategory

Official Description

Strain of long flexor muscle, fascia and tendon of thumb at wrist and hand level

Use a more specific code (3 billable)

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

General instructions are available for the parent sections:

BillableHas subcodes

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)

S60-S69Injuries to the wrist, hand and fingers (S60-S69)

S66Injury of muscle, fascia and tendon at wrist and hand level

S66.0Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level

S66.01Strain of long flexor muscle, fascia and tendon of thumb at wrist and hand levelNot billable

S66.011Strain of long flexor muscle, fascia and tendon of right thumb at wrist and hand levelBillable

S66.012Strain of long flexor muscle, fascia and tendon of left thumb at wrist and hand levelBillable

S66.019Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand levelBillable

The following parent sections contain instructions or notes that apply to S66.01:

categoryS66

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

Injuries to the wrist, hand and fingers (S60-S69)

chapterCH19

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

2026

No direct MS-DRG triggers identified.

Find surgical and procedural codes related to Strain of long flexor muscle, fascia and tendon of thumb at wrist and hand level.