Q20-Q28

Non-Billable
ChapterQ00–Q99
Rankblock
Official Description

Congenital malformations of the circulatory system (Q20-Q28)

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q20-Q28Congenital malformations of the circulatory system (Q20-Q28)Not billable
Q20Congenital malformations of cardiac chambers and connectionsSubcodes
Q21Congenital malformations of cardiac septaSubcodes
Q22Congenital malformations of pulmonary and tricuspid valvesSubcodes
Q23Congenital malformations of aortic and mitral valvesSubcodes
Q24Other congenital malformations of heartSubcodes
Q25Congenital malformations of great arteriesSubcodes
Q26Congenital malformations of great veinsSubcodes
Q27Other congenital malformations of peripheral vascular systemSubcodes
Q28Other congenital malformations of circulatory systemSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q20-Q28:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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