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MS-DRG 642: INBORN AND OTHER DISORDERS OF METABOLISM
DRGMedicalMDC 10
MS-DRG 642 is inborn and other disorders of metabolism, in MDC 10 (a medical DRG). Its FY2027 relative weight is 1.3219, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.20 days. 216 ICD-10-CM principal diagnoses group into MS-DRG 642 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.3219
- Geometric mean LOS
- 3.20
- Arithmetic mean LOS
- 4.50
- Post-acute transfer
- No
Principal diagnoses that group to MS-DRG 642
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 216 ICD-10-CM codes route here. The 24 most-searched:
- E78.5Hyperlipidemia, unspecified
- E78.2Mixed hyperlipidemia
- E78.00Pure hypercholesterolemia, unspecified
- E78.1Pure hyperglyceridemia
- E78.49Other hyperlipidemia
- E83.39Other disorders of phosphorus metabolism
- E88.819Insulin resistance, unspecified
- E88.89Other specified metabolic disorders
- D84.1Defects in the complement system
- E78.41Elevated Lipoprotein(a)
- E78.9Disorder of lipoprotein metabolism, unspecified
- E83.10Disorder of iron metabolism, unspecified
- E88.810Metabolic syndrome
- E88.9Metabolic disorder, unspecified
- E72.20Disorder of urea cycle metabolism, unspecified
- E78.019Familial hypercholesterolemia, unspecified
- E83.110Hereditary hemochromatosis
- E83.119Hemochromatosis, unspecified
- E88.01Alpha-1-antitrypsin deficiency
- E88.2Lipomatosis, not elsewhere classified
- E72.11Homocystinuria
- E72.12Methylenetetrahydrofolate reductase deficiency
- E72.530Primary hyperoxaluria, type 1
- E74.9Disorder of carbohydrate metabolism, unspecified
192 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.
All FY2027 MS-DRGs · MDC 10