Q98.6

Billable
ChapterQ00–Q99
Ranksubcategory
Official Description

Male with structurally abnormal sex chromosome

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).
General instructions are available for the parent sections:
View CH17 NotesView Q90-Q99 Notes

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Q98Other sex chromosome abnormalities, male phenotype, not elsewhere classified
Q98.6Male with structurally abnormal sex chromosome

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q98.6:

blockQ90-Q99
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
View context instructions
chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q98.6. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths
Abnormal, abnormality, abnormalities1 unique routes
chromosome, chromosomal
sex
structural male→Q98.6

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 729
Other Male Reproductive System Diagnoses with CC/MCC
DRG 730
Other Male Reproductive System Diagnoses without CC/MCC

Cross Reference

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