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  3. Diagnosis Codes in MS-DRG 303 - ATHEROSCLEROSIS WITHOUT MCC

Diagnosis Codes in MS-DRG 303 - ATHEROSCLEROSIS WITHOUT MCC

The Medicare Severity Diagnosis-Related Group or MS-DRG is 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). This is the group for Diagnosis Codes in MS-DRG 303 - ATHEROSCLEROSIS WITHOUT Major Complication or Comorbidity diseases in version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG MS-DRG Title MCD Relative Weight Geometric LOS Arithmetic LOS
303 ATHEROSCLEROSIS WITHOUT MCC 05 0.6581 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.		 0.66 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.		 1.80 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

List of ICD-10-CM Codes in Diagnostic Related Group


  • I25.1
    • I25.10 Atherosclerotic heart disease of native coronary artery without angina pectoris
  • I25.11
    • I25.110 Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
    • I25.111 Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm
    • I25.112 Atherosclerotic heart disease of native coronary artery with refractory angina pectoris
    • I25.118 Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
    • I25.119 Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
  • I25
    • I25.2 Old myocardial infarction
    • I25.5 Ischemic cardiomyopathy
    • I25.6 Silent myocardial ischemia
    • I25.9 Chronic ischemic heart disease, unspecified
  • I25.70
    • I25.700 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris
    • I25.701 Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm
    • I25.702 Atherosclerosis of coronary artery bypass graft(s), unspecified, with refractory angina pectoris
    • I25.708 Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris
    • I25.709 Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectoris
  • I25.71
    • I25.710 Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectoris
    • I25.711 Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris with documented spasm
    • I25.712 Atherosclerosis of autologous vein coronary artery bypass graft(s) with refractory angina pectoris
    • I25.718 Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris
    • I25.719 Atherosclerosis of autologous vein coronary artery bypass graft(s) with unspecified angina pectoris
  • I25.72
    • I25.720 Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris
    • I25.721 Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm
    • I25.722 Atherosclerosis of autologous artery coronary artery bypass graft(s) with refractory angina pectoris
    • I25.728 Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris
    • I25.729 Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris
  • I25.73
    • I25.730 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris
    • I25.731 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris with documented spasm
    • I25.732 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with refractory angina pectoris
    • I25.738 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with other forms of angina pectoris
    • I25.739 Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unspecified angina pectoris
  • I25.75
    • I25.750 Atherosclerosis of native coronary artery of transplanted heart with unstable angina
    • I25.751 Atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm
    • I25.752 Atherosclerosis of native coronary artery of transplanted heart with refractory angina pectoris
    • I25.758 Atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris
    • I25.759 Atherosclerosis of native coronary artery of transplanted heart with unspecified angina pectoris
  • I25.76
    • I25.760 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina
    • I25.761 Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris with documented spasm
    • I25.762 Atherosclerosis of bypass graft of coronary artery of transplanted heart with refractory angina pectoris
    • I25.768 Atherosclerosis of bypass graft of coronary artery of transplanted heart with other forms of angina pectoris
    • I25.769 Atherosclerosis of bypass graft of coronary artery of transplanted heart with unspecified angina pectoris
  • I25.79
    • I25.790 Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris
    • I25.791 Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris with documented spasm
    • I25.792 Atherosclerosis of other coronary artery bypass graft(s) with refractory angina pectoris
    • I25.798 Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris
    • I25.799 Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris
  • I25.81
    • I25.810 Atherosclerosis of coronary artery bypass graft(s) without angina pectoris
    • I25.811 Atherosclerosis of native coronary artery of transplanted heart without angina pectoris
    • I25.812 Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris
  • I25.8
    • I25.82 Chronic total occlusion of coronary artery
    • I25.83 Coronary atherosclerosis due to lipid rich plaque
    • I25.84 Coronary atherosclerosis due to calcified coronary lesion
    • I25.85 Chronic coronary microvascular dysfunction
    • I25.89 Other forms of chronic ischemic heart disease
  • I51
    • I51.3 Intracardiac thrombosis, not elsewhere classified
    • I51.7 Cardiomegaly
    • I51.9 Heart disease, unspecified
  • I51.8
    • I51.89 Other ill-defined heart diseases
    • I52 Other heart disorders in diseases classified elsewhere
  • I87
    • I87.8 Other specified disorders of veins
    • I87.9 Disorder of vein, unspecified
  • I99
    • I99.8 Other disorder of circulatory system
    • I99.9 Unspecified disorder of circulatory system
  • R93
    • R93.1 Abnormal findings on diagnostic imaging of heart and coronary circulation