T22.312A Burn of third degree of left forearm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T22.312 with 7th character A (initial encounter).

Applies from T22 Burn and corrosion of shoulder and upper limb, except wrist and hand

Excludes2 (not included here)

• burn and corrosion of interscapular region (T21.-)
• burn and corrosion of wrist and hand (T23.-)

7th character note

• The appropriate 7th character is to be added to each code from category T22

7th character required

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

Applies from T22.3 Burn of third degree of shoulder and upper limb, except wrist and hand

Use additional code

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

Code annotations containing back-references to T22.312A

Back-references to T22

• Type 2 Excludes: T21 Burn and corrosion of trunk ("burns and corrosion of axilla (T22.- with fifth character 4)")
• Type 2 Excludes: T21 Burn and corrosion of trunk ("burns and corrosion of scapular region (T22.- with fifth character 6)")
• Type 2 Excludes: T21 Burn and corrosion of trunk ("burns and corrosion of shoulder (T22.- with fifth character 5)")
• 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 T22.312A

• Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal) › forearm › left › third degree

Nearby codes

• T22.311 Burn of third degree of right forearm
• T22.311A Burn of third degree of right forearm, initial encounter
• T22.311D Burn of third degree of right forearm, subsequent encounter
• T22.311S Burn of third degree of right forearm, sequela
• T22.312 Burn of third degree of left forearm
• T22.312A Burn of third degree of left forearm, initial encounter (this code)
• T22.312D Burn of third degree of left forearm, subsequent encounter
• T22.312S Burn of third degree of left forearm, sequela
• T22.319 Burn of third degree of unspecified forearm
• T22.319A Burn of third degree of unspecified forearm, initial encounter
• T22.319D Burn of third degree of unspecified forearm, subsequent encounter