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ICDMine.com › Browse ICD-10-CM Codes › Ch. 19: Injury, poisoning and certain other consequences of external causes (S00-T88) › Injuries to the wrist, hand and fingers (S60-S69) › S66

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

ICD-10-CM category (non-billable header) code — part of Injuries to the wrist, hand and fingers (S60-S69)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88)
Section	Injuries to the wrist, hand and fingers (S60-S69)

Valid 7th Characters

A	initial encounter
D	subsequent encounter
S	sequela

Coding Notes

Excludes2 (not part of this condition — may code both)

sprain of joints and ligaments of wrist and hand (S63.-)

Code Also

any associated open wound (S61.-)

7th Character Note

The appropriate 7th character is to be added to each code from category S66

Subcategories (8)

S66.0 Injury of long flexor musc/fasc/tend thumb at wrs/hnd lv
S66.1 Inj flexor musc/fasc/tend and unsp finger at wrs/hnd lv
S66.2 Injury of extensor musc/fasc/tend thumb at wrs/hnd lv
S66.3 Inj extensor musc/fasc/tend and unsp finger at wrs/hnd lv
S66.4 Injury of intrinsic musc/fasc/tend thumb at wrs/hnd lv
S66.5 Inj intrinsic musc/fasc/tend and unsp finger at wrs/hnd lv
S66.8 Injury of musc/fasc/tend at wrist and hand level
S66.9 Injury of unsp musc/fasc/tend at wrist and hand level

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