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Q24.5

Malformation of coronary vessels

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 1 never code together
Q24code
Excludes1
  • endocardial fibroelastosis (I42.4)I42.4

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 1
Q24.5code
Inclusion terms
  • Congenital coronary (artery) aneurysm
Index entries leading here 20
  • Aberrant (congenital) — see also Malposition, congenital
  • Abnormal, abnormality, abnormalities — see also Anomaly
  • Absence (of) (organ or part) (complete or partial)
    • artery (congenital) (peripheral) Q27.8
  • Accessory (congenital)
  • Agenesis
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
    • congenital (peripheral) Q27.8
    • coronary (arteriosclerotic) (artery) I25.41
      • arteriovenous, congenital Q24.5
      • congenital Q24.5
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    • arteriovenous NEC
    • artery (peripheral) Q27.9
    • communication
    • coronary artery or vein Q24.5
    • distribution, coronary artery Q24.5
    • valve (heart) NEC Q24.8
    • vein (s) (peripheral) Q27.9
  • Fistula (cutaneous) L98.8
    • arteriovenous (acquired) (nonruptured) I77.0
      • coronary I25.41
      • congenital (peripheral) — see also Malformation, arteriovenous
    • coronary, arteriovenous I25.41
  • Stricture — see also Stenosis
    • artery I77.1
      • coronary — see Disease, heart, ischemic, atherosclerotic
      • congenital (peripheral) Q27.8
  • Narrowing — see also Stenosis
    • artery I77.1
      • coronary — see also Disease, heart, ischemic, atherosclerotic
  • Deformity Q89.9
    • artery (congenital) (peripheral) NOS Q27.9
    • coronary artery (acquired) I25.9
  • Atresia, atretic
  • Malposition
    • congenital
  • Hypoplasia, hypoplastic
  • Bridge, myocardial Q24.5
  • Disease, diseased — see also Syndrome
    • coronary (artery) — see Disease, heart, ischemic, atherosclerotic
  • Distortion (s) (congenital)
  • Single
  • Distribution vessel, atypical Q27.9
  • Malformation (congenital) — see also Anomaly
Alongside this code 8 same parent — Q24
Q24.0 Dextrocardia Q24.1 Levocardia Q24.2 Cor triatriatum Q24.3 Pulmonary infundibular stenosis Q24.4 Congenital subaortic stenosis Q24.6 Congenital heart block Q24.8 Other specified congenital malformations of heart Q24.9 Congenital malformation of heart, unspecified
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

RX08HCC188

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q24
Block
Q20-Q28
Siblings
8

Present FY2024–FY2027.