MS-DRG 790Medical
Extreme Immaturity or Respiratory Distress Syndrome, Neonate
Major Diagnostic Category 15·Grouped by diagnosis·FY 2027
MS-DRG 790 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 15 (MDC 15). It maps to 12 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 6.0146 with a geometric mean length of stay of 17.9 days and an arithmetic mean of 17.9 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
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FY 2027 payment data
From Table 5 of the FY 2027 IPPS Final Rule (CMS).
- Relative weight:
- 6.0146 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 17.9 days (used for transfer payments)
- Average stay:
- 17.9 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Diagnosis codes (12)
As the principal diagnosis, these ICD-10-CM codes can group to DRG 790. 100% of the codes listed are billable.
- P07.00Extremely low birth weight newborn, unspecified weight
- P07.01Extremely low birth weight newborn, less than 500 grams
- P07.02Extremely low birth weight newborn, 500-749 grams
- P07.03Extremely low birth weight newborn, 750-999 grams
- P07.20Extreme immaturity of newborn, unspecified weeks of gestation
- P07.21Extreme immaturity of newborn, gestational age less than 23 completed weeks
- P07.22Extreme immaturity of newborn, gestational age 23 completed weeks
- P07.23Extreme immaturity of newborn, gestational age 24 completed weeks
- P07.24Extreme immaturity of newborn, gestational age 25 completed weeks
- P07.25Extreme immaturity of newborn, gestational age 26 completed weeks
- P07.26Extreme immaturity of newborn, gestational age 27 completed weeks
- P22.0Respiratory distress syndrome of newborn