Q93.51

Angelman syndrome

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC148

Mild or Unspecified Intellectual Disability/Developmental Disorder

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from Q90-Q99Chromosomal abnormalities, not elsewhere classified
Excludes 2

mitochondrial metabolic disorders (E88.4-)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Official Guidelines for Q93.51

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q93.51

Sections whose FY 2026 text names Q93.51, its Q93 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q93.51 in the alphabetic index

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