G93.43 — Leukoencephalopathy with calcifications and cysts
G93.43 is a billable, specific ICD-10-CM code for leukoencephalopathy with calcifications and cysts. It is valid for submission on a claim.
Risk adjustment
G93.43 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
G93.43 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.
- A56612Billing and Coding: CT of the Head
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
How G93.43 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 G93.43.
- Leukoencephalopathy›with›calcifications and cysts
Related codes at this level
Codes that share G93.4. If G93.43 is not quite right, the correct code is usually one of these.
Questions about G93.43
- Is G93.43 a billable ICD-10-CM code?
- Yes. G93.43 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G93.43 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Other disorders of the nervous system (G89-G99).