Is Q93 a billable code?
No. Q93 is a header code that groups 14 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Q93: Monosomies and deletions from the autosomes, not elsewhere classified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Q93 groups related diagnoses under monosomies and deletions from the autosomes, not elsewhere classified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Q93
- Q93.0Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)
- Q93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)
- Q93.2Chromosome replaced with ring, dicentric or isochromosome
- Q93.3Deletion of short arm of chromosome 4
- Q93.4Deletion of short arm of chromosome 5
- Q93.51Angelman syndrome
- Q93.52Phelan-McDermid syndrome
- Q93.59Other deletions of part of a chromosome
- Q93.7Deletions with other complex rearrangements
- Q93.81Velo-cardio-facial syndrome
- Q93.82Williams syndrome
- Q93.88Other microdeletions
- Q93.89Other deletions from the autosomes
- Q93.9Deletion from autosomes, unspecified
Q93 questions
What does Q93 mean?
Q93 is the ICD-10-CM code for Monosomies and deletions from the autosomes, not elsewhere classified. It is in chapter 17, Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.