T25.121S Burn of first degree of right foot, sequela

Billable ICD-10-CM code, FY2026.

Built from T25.121 with 7th character S (sequela).

Applies from T25 Burn and corrosion of ankle and foot

7th character note

• The appropriate 7th character is to be added to each code from category T25

7th character required

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

Applies from T25.1 Burn of first degree of ankle and foot

Use additional code

• external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)

Applies from T25.12 Burn of first degree of foot

Excludes2 (not included here)

• burn of first degree of toe(s) (nail) (T25.13-)

Code annotations containing back-references to T25.121S

Back-references to T25

• Type 2 Excludes: T24 Burn and corrosion of lower limb, except ankle and foot ("burn and corrosion of ankle and foot (T25.-)")
• Type 1 Excludes: T66 Radiation sickness, unspecified ("burns (T20-T31)")
• Type 2 Excludes: T67 Effects of heat and light ("burns (T20-T31)")
• Type 2 Excludes: T75 Other and unspecified effects of other external causes ("burns (electric) (T20-T31)")

Diagnosis Index entries for T25.121S

• Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal) › foot › right › first degree

Nearby codes

• T25.119S Burn of first degree of unspecified ankle, sequela
• T25.12 Burn of first degree of foot
• T25.121 Burn of first degree of right foot
• T25.121A Burn of first degree of right foot, initial encounter
• T25.121D Burn of first degree of right foot, subsequent encounter
• T25.121S Burn of first degree of right foot, sequela (this code)
• T25.122 Burn of first degree of left foot
• T25.122A Burn of first degree of left foot, initial encounter
• T25.122D Burn of first degree of left foot, subsequent encounter
• T25.122S Burn of first degree of left foot, sequela
• T25.129 Burn of first degree of unspecified foot