S60.342A External constriction of left thumb, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S60.342 with 7th character A (initial encounter).

Applies from S60 Superficial injury of wrist, hand and fingers

7th character note

• The appropriate 7th character is to be added to each code from category S60

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from S60.34 External constriction of thumb

Applicable to

• Hair tourniquet syndrome of thumb

Use additional code

• cause code to identify the constricting item (W49.0-)

Code annotations containing back-references to S60.342A

Back-references to S60.3

• Type 2 Excludes: S60.5 Other superficial injuries of hand ("superficial injuries of fingers (S60.3-, S60.4-)")

Back-references to S60

• Type 2 Excludes: S50 Superficial injury of elbow and forearm ("superficial injury of wrist and hand (S60.-)")

Nearby codes

• S60.341 External constriction of right thumb
• S60.341A External constriction of right thumb, initial encounter
• S60.341D External constriction of right thumb, subsequent encounter
• S60.341S External constriction of right thumb, sequela
• S60.342 External constriction of left thumb
• S60.342A External constriction of left thumb, initial encounter (this code)
• S60.342D External constriction of left thumb, subsequent encounter
• S60.342S External constriction of left thumb, sequela
• S60.349 External constriction of unspecified thumb
• S60.349A External constriction of unspecified thumb, initial encounter
• S60.349D External constriction of unspecified thumb, subsequent encounter