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ICD-10Chapter 17: Q00-Q99Q91

Q91

Non-billableSave

Trisomy 18 and Trisomy 13

Chapter 17: Congenital malformations, deformations and chromosomal abnormalities

Coding Guidance

Q91 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.

Additional Information

From parent codes: Q00-Q99 (Chapter 17)

Excludes 2 — Not Included HereFrom Q00-Q99

Excludes2 means 'NOT INCLUDED HERE!' An Excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time.

inborn errors of metabolism (E70-E88)

NotesFrom Q00-Q99

Additional notes from parent codes that apply to this code.

Codes from this chapter are not for use on maternal records

More Specific Codes (8)

Q91.0Trisomy 18, nonmosaicism (meiotic nondisjunction)Billable→Q91.1Trisomy 18, mosaicism (mitotic nondisjunction)Billable→Q91.2Trisomy 18, translocationBillable→Q91.3Trisomy 18, unspecifiedBillable→Q91.4Trisomy 13, nonmosaicism (meiotic nondisjunction)Billable→Q91.5Trisomy 13, mosaicism (mitotic nondisjunction)Billable→Q91.6Trisomy 13, translocationBillable→Q91.7Trisomy 13, unspecifiedBillable→

Chapter Information

Chapter 17: Congenital malformations, deformations and chromosomal abnormalities

Range: Q00-Q99

View full chapter

Related ICD-10 Codes

More specific codes for Q91

Trisomy 18, nonmosaicism (meiotic nondisjunction)

Trisomy 18, mosaicism (mitotic nondisjunction)

Trisomy 18, translocation

Trisomy 18, unspecified

Trisomy 13, nonmosaicism (meiotic nondisjunction)

Trisomy 13, mosaicism (mitotic nondisjunction)

Trisomy 13, translocation

Trisomy 13, unspecified