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G93.44

G93.44Adult-onset leukodystrophy with axonal spheroids

Billable / specific codeICD-10-CM

G93.44 is a billable, specific ICD-10-CM code for adult-onset leukodystrophy with axonal spheroids. It is valid for submission on a claim.

Inclusion terms

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

  • Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia

Risk adjustment

G93.44 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 200 Friedreich and Other Hereditary Ataxias; Huntington Disease0.279 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

G93.44 is named in 3 Medicare coverage policies 2 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56562Billing and Coding: Health and Behavior Assessment/Interventionnot covered
  • A56612Billing and Coding: CT of the Head
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography

How G93.44 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 G93.44.

  • Leukoencephalopathyadult-onset, with axonal spheroids(and pigmented glia)

Related codes at this level

Codes that share G93.4. If G93.44 is not quite right, the correct code is usually one of these.

Questions about G93.44

Is G93.44 a billable ICD-10-CM code?
Yes. G93.44 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G93.44 sit in the tabular list?
Diseases of the nervous system (G00-G99), in the block Other disorders of the nervous system (G89-G99).
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.