MCMedicalCodingSoftware
H47.649

H47.649Disorders of visual cortex in (due to) vascular disorders, unspecified side of brain

Billable / specific codeICD-10-CMunspecified

H47.649 is a billable, specific ICD-10-CM code for disorders of visual cortex in (due to) vascular disorders, unspecified side of brain. It is valid for submission on a claim.

Excludes1 inherited from the categories above H47.649

These are not written on H47.649, but they bind it: a note on a category applies to every code beneath it. Billing H47.649 with anything listed here is a denial.

Written on H47.6 Disorders of visual cortex

  • injury to visual cortex S04.04-

Risk adjustment

H47.649 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

H47.649 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57637Billing and Coding: Visual Field Examination

How H47.649 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to H47.649.

  • Disordervisualcortexdue tovascular disorder

Code history

H47.649 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share H47.64. If H47.649 is not quite right, the correct code is usually one of these.

Questions about H47.649

Is H47.649 a billable ICD-10-CM code?
Yes. H47.649 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H47.649 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of optic nerve and visual pathways (H46-H47).
What cannot be coded together with H47.649?
H47.649 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H47.649 (H47.6) and apply to it just the same.
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.