ICD-10-CM Q93: Monosomies and deletions from the autosomes, not elsewhere classified

ICD-10-CM Diagnosis Code (2025)

Official Description for Q93

Monosomies and deletions from the autosomes, not elsewhere classified

Coding Notes & Guidelines for Q93

Use Additional Code
  • code(s) to identify any associated conditions, such as:
  • autism spectrum disorder (F84.0)
  • degree of intellectual disabilities (F70-F79)
  • epilepsy and recurrent seizures (G40.-)
  • lymphedema (I89.0)
Inclusion Terms

Wolff-Hirschorn syndrome

Inclusion Terms

Cri-du-chat syndrome

Inclusion Terms

22q13.3 deletion syndrome

Inclusion Terms

Deletions due to unbalanced translocations, inversions and insertions

Inclusion Terms

Deletion 22q11.2

Inclusion Terms
  • Miller-Dieker syndrome
  • Smith-Magenis syndrome
Inclusion Terms
  • Deletions identified by fluorescence in situ hybridization (FISH)
  • Deletions identified by in situ hybridization (ISH)
  • Deletions seen only at prometaphase
Code Also

any associated duplications due to unbalanced translocations, inversions and insertions (Q92.5)

Child Codes (More Specific Codes for Q93):

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 Q93.51 - Angelman syndrome Q93.52 - Phelan-McDermid syndrome Q93.59 - Other deletions of part of a chromosome Q93.7 - Deletions with other complex rearrangements Q93.8 - Other deletions from the autosomes Q93.81 - Velo-cardio-facial syndrome Q93.82 - Williams syndrome Q93.88 - Other microdeletions Q93.89 - Other deletions from the autosomes Q93.9 - Deletion from autosomes, unspecified

About ICD-10-CM Code Q93 (Monosomies and deletions from the autosomes)

ICD-10-CM code Q93 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q93 became effective on October 1, 2024.

This page provides detailed information about Q93 - Monosomies and deletions from the autosomes, not elsewhere classified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Monosomies and deletions from the autosomes related to not elsewhere classified.