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ICD-10-CM 2027

ICD-10 code for chromosome deletion

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Deletion (s) › chromosome”. Page updated September 29, 2026.

About coding chromosome deletion

The official ICD-10-CM index doesn't give a single default code for chromosome deletion; the code depends on the details below.

More specific chromosome deletion codes (official index)

  • with complex rearrangements NEC Q93.7 — Deletions with other complex rearrangements
  • part of NEC Q93.59 — Other deletions of part of a chromosome
  • seen only at prometaphase Q93.89 — Other deletions from the autosomes
  • short arm
  • 4 Q93.3 — Deletion of short arm of chromosome 4
  • 5p Q93.4 — Deletion of short arm of chromosome 5
  • 22q11.2 Q93.81 — Velo-cardio-facial syndrome
  • specified NEC Q93.89 — Other deletions from the autosomes

Common questions about chromosome deletion ICD-10 codes

What is the ICD-10 code for part of nec chromosome deletion?

Q93.59 — Other deletions of part of a chromosome.

What is the ICD-10 code for seen only at prometaphase chromosome deletion?

Q93.89 — Other deletions from the autosomes.