• mitochondrial metabolic disorders (E88.4-)
  1. Q93 Monosomies and deletions from the autosomes, not elsewhere classified

    1. Q93.0 Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)

    2. Q93.1 Whole chromosome monosomy, mosaicism (mitotic nondisjunction)

    3. Q93.2 Chromosome replaced with ring, dicentric or isochromosome

    4. Q93.3 Deletion of short arm of chromosome 4

      Inclusion term(s):

      • Wolff-Hirschorn syndrome
    5. Q93.4 Deletion of short arm of chromosome 5

      Inclusion term(s):

      • Cri-du-chat syndrome
    6. Q93.5 Other deletions of part of a chromosome

      1. Q93.51 Angelman syndrome

      2. Q93.52 Phelan-McDermid syndrome

        Inclusion term(s):

        • 22q13.3 deletion syndrome
      3. Q93.59 Other deletions of part of a chromosome

    7. Q93.7 Deletions with other complex rearrangements

      Inclusion term(s):

      • Deletions due to unbalanced translocations, inversions and insertions
    8. Q93.8 Other deletions from the autosomes

      1. Q93.81 Velo-cardio-facial syndrome

        Inclusion term(s):

        • Deletion 22q11.2
      2. Q93.82 Williams syndrome

      3. Q93.88 Other microdeletions

        Inclusion term(s):

        • Miller-Dieker syndrome
        • Smith-Magenis syndrome
      4. Q93.89 Other deletions from the autosomes

        Inclusion term(s):

        • Deletions identified by fluorescence in situ hybridization (FISH)
        • Deletions identified by in situ hybridization (ISH)
        • Deletions seen only at prometaphase
    9. Q93.9 Deletion from autosomes, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.