ICD-10-CM Code Q98.8

Other specified sex chromosome abnormalities, male phenotype

Version 2020 Billable Code Diagnoses For Males Only POA Exempt

Valid for Submission

Q98.8 is a billable code used to specify a medical diagnosis of other specified sex chromosome abnormalities, male phenotype. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Q98.8 might also be used to specify conditions or terms like 48,xyyy syndrome, 49,xyyyy syndrome, absence of sex chromosome, distal xq28 microduplication syndrome, sex chromosome aneuploidy, sex phenotype-karyotype dissociation syndrome, etc The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

The code Q98.8 is applicable to male patients only. It is clinically and virtually impossible to use this code on a non-male patient.

ICD-10:Q98.8
Short Description:Other specified sex chromosome abnormalities, male phenotype
Long Description:Other specified sex chromosome abnormalities, male phenotype

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Q98.8 are found in the index:


Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Diagnoses for males only - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to MALES only .

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • 48,XYYY syndrome
  • 49,XYYYY syndrome
  • Absence of sex chromosome
  • Distal Xq28 microduplication syndrome
  • Sex chromosome aneuploidy
  • Sex phenotype-karyotype dissociation syndrome
  • XXYY syndrome

Diagnostic Related Groups

The ICD-10 code Q98.8 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 729 - OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITH CC/MCC
  • 730 - OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITHOUT CC/MCC

Present on Admission (POA)

Q98.8 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here .

CMS POA Indicator Options and Definitions
POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert Q98.8 to ICD-9

  • 758.81 - Oth cond due to sex chrm (Approximate Flag)

Code Classification

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
      • Oth sex chromosome abnormalities, male phenotype, NEC (Q98)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Genetic Disorders

Genes are the building blocks of heredity. They are passed from parent to child. They hold DNA, the instructions for making proteins. Proteins do most of the work in cells. They move molecules from one place to another, build structures, break down toxins, and do many other maintenance jobs.

Sometimes there is a mutation, a change in a gene or genes. The mutation changes the gene's instructions for making a protein, so the protein does not work properly or is missing entirely. This can cause a medical condition called a genetic disorder.

You can inherit a gene mutation from one or both parents. A mutation can also happen during your lifetime.

There are three types of genetic disorders:

  • Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
  • Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. Chromosomes are the structures that hold our genes. Down syndrome is a chromosomal disorder.
  • Complex disorders, where there are mutations in two or more genes. Often your lifestyle and environment also play a role. Colon cancer is an example.

Genetic tests on blood and other tissue can identify genetic disorders.

NIH: National Library of Medicine


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