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I67.3

I67.3Progressive vascular leukoencephalopathy

Billable / specific codeICD-10-CM

I67.3 is a billable, specific ICD-10-CM code for progressive vascular leukoencephalopathy. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Binswanger's disease

Risk adjustment

I67.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 127 Dementia, Mild or Unspecified0.341 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

I67.3 is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56612Billing and Coding: CT of the Head
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57206Billing and Coding: Lumbar MRI

How I67.3 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 I67.3.

  • Binswanger's disease
  • LeukoencephalopathyBinswanger's
  • Leukoencephalopathyvascular, progressive

Related codes at this level

Codes that share I67. If I67.3 is not quite right, the correct code is usually one of these.

Questions about I67.3

Is I67.3 a billable ICD-10-CM code?
Yes. I67.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I67.3 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).
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.