Q96.4

Mosaicism, 45, X/other cell line(s) with abnormal sex chromosome

Billable / specificPOA exempt

Q96.4 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Q96)

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q96)
  • mitochondrial metabolic disorders (E88.4-) (from Q96)

Also known as

  • Mosaicism, mosaic, 45,X/other cell lines NEC with abnormal sex chromosome

Parent code

  • Q96Turner's syndromeHeader

Related codes

  • Q96.0Karyotype 45, XBillable
  • Q96.1Karyotype 46, X iso (Xq)Billable
  • Q96.2Karyotype 46, X with abnormal sex chromosome, except iso (Xq)Billable
  • Q96.3Mosaicism, 45, X/46, XX or XYBillable
  • Q96.8Other variants of Turner's syndromeBillable
  • Q96.9Turner's syndrome, unspecifiedBillable

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