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Q99.89BillableSave

Q99.89 - Other specified chromosome abnormalities

ICD-10-CM Chapter 17: Congenital malformations, deformations and chromosomal abnormalities · Q90-Q99 Chromosomal abnormalities, not elsewhere classified (Q90-Q99) · Subcategory of Q99.8 · FY2027

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom Q90-Q99 Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

Not part of this code; report both codes when the patient has both conditions.

  • mitochondrial metabolic disorders (E88.4-)
Excludes 2 — Not Included HereFrom Chapter Q00-Q99

Not part of this code; report both codes when the patient has both conditions.

  • inborn errors of metabolism (E70-E88)
NotesFrom Chapter Q00-Q99

Instructional notes from the ICD-10-CM tabular list.

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

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with Q99.89.