Q96.1 – Karyotype 46, X iso (Xq)

ICD-10-CM 2027 diagnosis code · Chromosomal abnormalities, not elsewhere classified

Billable code

ICD-10-CM code Q96.1

Code: Q96.1 (claims format: Q961)
Description: Karyotype 46, X iso (Xq)
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block: Q90-Q99 Chromosomal abnormalities, not elsewhere classified
Parent codes: Q96

Notes for Q96.1

Applicable to:

Karyotype 46, isochromosome Xq

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q96 – Turner's syndrome

Excludes1 (not coded here):

Noonan syndrome (Q87.19)

Block Q90-Q99

Excludes2 (not included here):

mitochondrial metabolic disorders (E88.4-)

Index terms for Q96.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Karyotype, 46,X, iso

Related codes in Q96

Q96.0 – Karyotype 45, XBillable
Q96.2 – Karyotype 46, X with abnormal sex chromosome, except iso (Xq)Billable
Q96.3 – Mosaicism, 45, X/46, XX or XYBillable
Q96.4 – Mosaicism, 45, X/other cell line(s) with abnormal sex chromosomeBillable
Q96.8 – Other variants of Turner's syndromeBillable
Q96.9 – Turner's syndrome, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q96.1?

Q96.1 is the ICD-10-CM code for karyotype 46, X iso (Xq), in the block Q90-Q99 (Chromosomal abnormalities, not elsewhere classified).

Is Q96.1 a billable code?

Yes. Q96.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q96.1 belong to?

It belongs to category Q96 – Turner's syndrome.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.