MCMCB Pro
S00.12XA

S00.12XAContusion of left eyelid and periocular area, initial encounter

Billable / specific codeICD-10-CMleft

S00.12XA is a billable, specific ICD-10-CM code for contusion of left eyelid and periocular area, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category S00

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S00.12XA does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

S00.12XA is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53058Billing and Coding: Home Health Physical Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy
  • A56459Billing and Coding: Debridement Services
  • A56908Billing and Coding: Blepharoplasty, Blepharoptosis and Brow Lift

Related codes at this level

Codes that share S00.12. If S00.12XA is not quite right, the correct code is usually one of these.

Questions about S00.12XA

Is S00.12XA a billable ICD-10-CM code?
Yes. S00.12XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S00.12XA sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.