All ICD10 Codes
Q93Non-billable

Monosomies and deletions from the autosomes, not elsewhere classified

Congenital Malformations, Deformations and Chromosomal Abnormalities·Chromosomal abnormalities, not elsewhere classified (Q90-Q99)·category·FY 2026

Use a more specific code (7 billable, 2 non-billable)
Q93.0Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)Q93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)Q93.2Chromosome replaced with ring, dicentric or isochromosomeQ93.3Deletion of short arm of chromosome 4Q93.4Deletion of short arm of chromosome 5Q93.5Other deletions of part of a chromosomehas subcodesQ93.7Deletions with other complex rearrangementsQ93.8Other deletions from the autosomeshas subcodesQ93.9Deletion from autosomes, unspecified

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Q90-Q99 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • mitochondrial metabolic disorders (E88.4-)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Q93Monosomies and deletions from the autosomes, not elsewhere classifiedNot billable
Q93.0Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)Billable
Q93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)Billable
Q93.2Chromosome replaced with ring, dicentric or isochromosomeBillable
Q93.3Deletion of short arm of chromosome 4Billable
Q93.4Deletion of short arm of chromosome 5Billable
Q93.5Other deletions of part of a chromosomeSubcodes
Q93.7Deletions with other complex rearrangementsBillable
Q93.8Other deletions from the autosomesSubcodes
Q93.9Deletion from autosomes, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.