Q28.0 Arteriovenous malformation of precerebral vessels

BillableNo payment HCCChapter 17

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Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.

inborn errors of metabolism (E70-E88)

Notes

Codes from this chapter are not for use on maternal records

Q28

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

congenital aneurysm NOS (Q27.8)
congenital coronary aneurysm (Q24.5)
ruptured cerebral arteriovenous malformation (I60.8)
ruptured malformation of precerebral vessels (I72.0)

Excludes2Not included here: the patient may have both; report both when both are present.

congenital peripheral aneurysm (Q27.8)
congenital pulmonary aneurysm (Q25.79)
congenital retinal aneurysm (Q14.1)

This code

Inclusion terms

Congenital arteriovenous precerebral aneurysm (nonruptured)

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.