S66.59
Other injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level
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S66.59 needs more characters to be billable. Pick the specific code below.
- S66.590Other injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand levelMore levels
- S66.591Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand levelMore levels
- S66.592Other injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand levelMore levels
- S66.593Other injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand levelMore levels
- S66.594Other injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand levelMore levels
- S66.595Other injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand levelMore levels
- S66.596Other injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand levelMore levels
- S66.597Other injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand levelMore levels
- S66.598Other injury of intrinsic muscle, fascia and tendon of other finger at wrist and hand levelMore levels
- S66.599Other injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand levelMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level (S66.4-)
code to identify any retained foreign body, if applicable (Z18.-)
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for S66.59
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care
Sections that reference S66.59
Sections whose FY 2026 text names S66.59, its S66 category, or a range containing it — the chapter guidance above is the authoritative source.