S61.359A Open bite of unspecified finger with damage to nail, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S61.359 with 7th character A (initial encounter).

Applies from S61 Open wound of wrist, hand and fingers

Excludes1 (never code together)

• open fracture of wrist, hand and finger (S62.- with 7th character B)
• traumatic amputation of wrist and hand (S68.-)

Code also

• any associated wound infection

7th character note

• The appropriate 7th character is to be added to each code from category S61

7th character required

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

Applies from S61.35 Open bite of finger with damage to nail

Applicable to

• Bite of finger with damage to nail NOS

Excludes1 (never code together)

• superficial bite of finger (S60.46-, S60.47-)

Code annotations containing back-references to S61.359A

Back-references to S61.35

• Type 1 Excludes: S60.47 Other superficial bite of fingers ("open bite of fingers (S61.25-, S61.35-)")

Back-references to S61.3

• Type 1 Excludes: S61.2 Open wound of other finger without damage to nail ("open wound of finger involving nail (matrix) (S61.3-)")

Back-references to S61

• Type 2 Excludes: S51 Open wound of elbow and forearm ("open wound of wrist and hand (S61.-)")
• Code Also: S64 Injury of nerves at wrist and hand level ("any associated open wound (S61.-)")
• Code Also: S65 Injury of blood vessels at wrist and hand level ("any associated open wound (S61.-)")
• Code Also: S66 Injury of muscle, fascia and tendon at wrist and hand level ("any associated open wound (S61.-)")
• Use Additional: S67 Crushing injury of wrist, hand and fingers ("open wound of wrist and hand (S61.-)")

Diagnosis Index entries for S61.359A

• Bite (s) (animal) (human) › finger (s) › with › damage to nail

Nearby codes

• S61.358 Open bite of other finger with damage to nail
• S61.358A Open bite of other finger with damage to nail, initial encounter
• S61.358D Open bite of other finger with damage to nail, subsequent encounter
• S61.358S Open bite of other finger with damage to nail, sequela
• S61.359 Open bite of unspecified finger with damage to nail
• S61.359A Open bite of unspecified finger with damage to nail, initial encounter (this code)
• S61.359D Open bite of unspecified finger with damage to nail, subsequent encounter
• S61.359S Open bite of unspecified finger with damage to nail, sequela
• S61.4 Open wound of hand
• S61.40 Unspecified open wound of hand
• S61.401 Unspecified open wound of right hand