Is Q93.51 a billable ICD-10 code?

Yes. Q93.51 (Angelman syndrome) is billable and can be used for insurance claims. Always verify payer-specific requirements.

Q93.51 ✓ Billable

Angelman syndrome

Q: What is ICD-10 code Q93.51?

ICD-10-CM code Q93.51 stands for "Angelman syndrome". It is a billable code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities

Code

Q93.51

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Congenital Malformations, Deformations and Chromosomal Abnormalities

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code Q93.51?

ICD-10-CM code Q93.51 represents Angelman syndrome. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.

Is Q93.51 billable?

Yes. Q93.51 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is Q93.51 in?

Q93.51 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.

Related codes in the Q93 category

Q93 Monosomies and deletions from the autosomes, not elsewhere classified Non-billable Q93.0 Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction) Billable Q93.1 Whole chromosome monosomy, mosaicism (mitotic nondisjunction) Billable Q93.2 Chromosome replaced with ring, dicentric or isochromosome Billable Q93.3 Deletion of short arm of chromosome 4 Billable Q93.4 Deletion of short arm of chromosome 5 Billable Q93.5 Other deletions of part of a chromosome Non-billable Q93.7 Deletions with other complex rearrangements Billable

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