Q93.51 is the authoritative medical code for Angelman syndrome. This classification is used in medical billing and clinical recording to specify the clinical criteria for angelman syndrome (ICD-10-CM Q93.51), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Angelman syndrome is a billable ICD-10-CM diagnosis code Q93.51. Excludes2 (not included here): mitochondrial metabolic disorders E88.4-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for Q93.51 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- mitochondrial metabolic disorders E88.4-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Q93.51 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, Q93.51 and the following are not considered part of each other and may both be reported when both conditions are present: mitochondrial metabolic disorders (E88.4-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Q93.51 in its code family, with their registry titles.
- Q93 — Monosomies and deletions from the autosomes, not elsewhere classified
- Q93.0 — Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)
- Q93.1 — Whole chromosome monosomy, mosaicism (mitotic nondisjunction)
- Q93.2 — Chromosome replaced with ring, dicentric or isochromosome
- Q93.3 — Deletion of short arm of chromosome 4
- Q93.4 — Deletion of short arm of chromosome 5
- Q93.5 — Other deletions of part of a chromosome
- Q93.52 — Phelan-McDermid syndrome
- Q93.59 — Other deletions of part of a chromosome
- Q93.7 — Deletions with other complex rearrangements
View all 16 codes in the Q93 family
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Angelman syndrome
- Happy puppet syndrome
- Syndrome, Angelman
- Syndrome, happy puppet