ICDcodes.org
FY2027

Q92.8 — Other specified trisomies and partial trisomies of autosomes

BillableUnspecified

Is Q92.8 billable?

Yes, but Q92.8 is an unspecified code. Q92.8 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Q92.8 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Q92.8 — the more specific alternatives are listed below.

Q92.8 at a glance

CodeQ92.8
DescriptionOther specified trisomies and partial trisomies of autosomes
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does Q92.8 group to?

Q92.8 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 951Other Factors Influencing Health Statusmedical

How is Q92.8 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Q92.8. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Cat › eye syndrome
  • Syndrome › cat eye
  • Trisomy › chromosome specified NEC (syndrome)
  • Trisomy › specified NEC (syndrome)
  • Trisomy › 20 (syndrome)
  • Trisomy › 22 (syndrome)
  • Duplication, duplex › chromosome NEC › seen only at prometaphase
  • Syndrome › trisomy › 20
  • Syndrome › trisomy › 22
  • Trisomy › chromosome specified NEC › specified NEC (syndrome)
  • Trisomy › whole chromosome › specified NEC (syndrome)
  • Accessory › chromosome › with complex rearrangements NEC › seen only at prometaphase (congenital)

Inclusion terms

Alternative wording in documentation that is classified to Q92.8.

  • Duplications identified by fluorescence in situ hybridization (FISH)
  • Duplications identified by in situ hybridization (ISH)
  • Duplications seen only at prometaphase

Excludes1 — never code together — inherited from Q92

The conditions below can never be reported together with Q92.8 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • trisomies of chromosomes 13, 18, 21 (Q90-Q91)

Excludes2 — not included here — inherited from Chapter 17

The conditions below are not part of Q92.8, but a patient may have both at the same time. When documentation supports it, Q92.8 and the excluded code may both be reported.

  • inborn errors of metabolism (E70-E88)

Excludes2 — not included here — inherited from Q90-Q99

The conditions below are not part of Q92.8, but a patient may have both at the same time. When documentation supports it, Q92.8 and the excluded code may both be reported.

  • mitochondrial metabolic disorders (E88.4-)

How long has Q92.8 existed?

Q92.8 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to Q92.8?

What other codes are in the Q92 family? (7)