S90.559A Superficial foreign body, unspecified ankle, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S90.559 with 7th character A (initial encounter).

Applies from S90 Superficial injury of ankle, foot and toes

7th character note

• The appropriate 7th character is to be added to each code from category S90

7th character required

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

Applies from S90.55 Superficial foreign body of ankle

Applicable to

• Splinter in the ankle

Code annotations containing back-references to S90.559A

Back-references to S90

• Type 2 Excludes: S80 Superficial injury of knee and lower leg ("superficial injury of ankle and foot (S90.-)")

Nearby codes

• S90.552 Superficial foreign body, left ankle
• S90.552A Superficial foreign body, left ankle, initial encounter
• S90.552D Superficial foreign body, left ankle, subsequent encounter
• S90.552S Superficial foreign body, left ankle, sequela
• S90.559 Superficial foreign body, unspecified ankle
• S90.559A Superficial foreign body, unspecified ankle, initial encounter (this code)
• S90.559D Superficial foreign body, unspecified ankle, subsequent encounter
• S90.559S Superficial foreign body, unspecified ankle, sequela
• S90.56 Insect bite (nonvenomous) of ankle
• S90.561 Insect bite (nonvenomous), right ankle
• S90.561A Insect bite (nonvenomous), right ankle, initial encounter