All ICD10 Codes

Q23.8

Non-Billable
ChapterQ00–Q99
Ranksubcategory
Official Description

Other congenital malformations of aortic and mitral valves

Use a more specific code (3 billable)
Q23.81Bicuspid aortic valveQ23.82Congenital mitral valve cleft leafletQ23.88Other congenital malformations of aortic and mitral valves
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).
General instructions are available for the parent sections:
View CH17 Notes

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q20-Q28Congenital malformations of the circulatory system (Q20-Q28)
Q23Congenital malformations of aortic and mitral valves
Q23.8Other congenital malformations of aortic and mitral valvesNot billable
Q23.81Bicuspid aortic valveBillable
Q23.82Congenital mitral valve cleft leafletBillable
Q23.88Other congenital malformations of aortic and mitral valvesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q23.8:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Code History

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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