MCMCB Pro
H05.423

H05.423Enophthalmos due to trauma or surgery, bilateral

Billable / specific codeICD-10-CMbilateral

H05.423 is a billable, specific ICD-10-CM code for enophthalmos due to trauma or surgery, bilateral. It is valid for submission on a claim.

Risk adjustment

H05.423 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

H05.423 is named in 12 Medicare coverage policies 12 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56551Billing and Coding: Visual Fields Testing

Related codes at this level

Codes that share H05.42. If H05.423 is not quite right, the correct code is usually one of these.

Questions about H05.423

Is H05.423 a billable ICD-10-CM code?
Yes. H05.423 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H05.423 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of eyelid, lacrimal system and orbit (H00-H05).
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.