2027 ICD-10-CM Diagnosis Code Q97.8Other specified sex chromosome abnormalities, female phenotype
ICD-10-CM Codes›Q00-Q99›Q90-Q99›Q97
- Billable — Valid for Submission
- POA Exempt
- Chronic Condition
Q97.8 is a billable ICD-10-CM diagnosis code for other specified sex chromosome abnormalities, female phenotype. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 742 through 743, 760 through 761. The code is exempt from POA reporting. Coders also document this condition as absence of sex chromosome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Chromosomal abnormalities.
Code Identity
Code Classification
Present on Admission (POA)Billing
Q97.8 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Chromosomal abnormalities, not elsewhere classified (Q90-Q99).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Absence of sex chromosome
- Distal Xq28 microduplication syndrome
- Familial infantile gigantism
- Gigantism
- Hypersomatotropic gigantism
- Sex phenotype-karyotype dissociation syndrome
- X-linked acrogigantism due to Xq26 microduplication
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to Q97.8: its own notes plus those printed at Q97, block Q90-Q99, and Chapter 17. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- mitochondrial metabolic disorders (E88.4-)
Notes
General instructions on how these codes are used.
- Codes from this chapter are not for use on maternal records
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name Q97.8, its category, or a range that includes it.
Excludes1 4
These codes carry an Excludes1 note naming Q97.8: they are not reported together with it, unless the two conditions are unrelated.
- E25 Adrenogenital disorders
- Block Q50-Q56 Congenital malformations of genital organs
- Q56 Indeterminate sex and pseudohermaphroditism
- Z15 Genetic susceptibility to disease
Code First 1
These codes say to code first a condition named in the note, and Q97.8 is one of the conditions named.
- D84.81 Immunodeficiency due to conditions classified elsewhere
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Abnormal, abnormality, abnormalities See Also: Anomaly;
Anomaly, anomalous (congenital) (unspecified type) Q89.9
chromosomes, chromosomal Q99.9
female phenotype Q97.8
sex chromosomes NEC See Also: Anomaly, chromosomes;
female phenotype Q97.8
chromosome mosaics Q97.8
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Genetic Disorders
Genetic disorders are health conditions caused by changes (also called mutations or variants) in your genes. Genes are parts of DNA found in your cells that carry instructions for how your body grows, develops, and functions. Many genes tell your body how to make proteins, which are needed for your body to work properly.
The full article covers:
- What are genetic disorders?
- What causes genetic disorders?
- What are the types of genetic disorders?
- What are the different ways a genetic disorder can be inherited?
- How are genetic disorders diagnosed?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert Q97.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Q97.8Overview
What is the ICD-10 code for other specified sex chromosome abnormalities, female phenotype?
The ICD-10-CM code for other specified sex chromosome abnormalities, female phenotype is Q97.8 (sometimes written as Q978). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is Q97.8 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified sex chromosome abnormalities, female phenotype on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does Q97.8 group to?
When other specified sex chromosome abnormalities, female phenotype is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.7039 to 1.8448 depending on complications. Higher weights mean higher Medicare reimbursement.
Is Q97.8 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for other specified sex chromosome abnormalities, female phenotype on inpatient claims. The code appears in the Chromosomal abnormalities, not elsewhere classified (Q90-Q99) range of the CMS exempt list.
Can Q97.8 be reported with a code from Q96?
Not as a rule. The Excludes1 note at Q97, which applies to Q97.8, lists "Turner's syndrome (Q96.-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
