All ICD10 Codes

DRG 790

Medical DRG

Extreme Immaturity or Respiratory Distress Syndrome, Neonate

TypeMedicalMDC15Dx Codes12

What is MS-DRG 790?

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 2026 it carries a relative weight of 5.9435 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.

Classification
Medical DRG
Diagnosis-driven grouping
MDC
Major Diagnostic Category 15
Linked Codes
12 diagnosis
Billable Dx
100%
12 of 12 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
5.9435
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
17.9 days
Used for transfer payment calculations
Arithmetic Mean LOS
17.9 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

Linked ICD-10-CM Diagnosis Mappings

  • P07.00

    Extremely low birth weight newborn, unspecified weight

    BillableChapter 16
  • P07.01

    Extremely low birth weight newborn, less than 500 grams

    BillableChapter 16
  • P07.02

    Extremely low birth weight newborn, 500-749 grams

    BillableChapter 16
  • P07.03

    Extremely low birth weight newborn, 750-999 grams

    BillableChapter 16
  • P07.20

    Extreme immaturity of newborn, unspecified weeks of gestation

    BillableChapter 16
  • P07.21

    Extreme immaturity of newborn, gestational age less than 23 completed weeks

    BillableChapter 16
  • P07.22

    Extreme immaturity of newborn, gestational age 23 completed weeks

    BillableChapter 16
  • P07.23

    Extreme immaturity of newborn, gestational age 24 completed weeks

    BillableChapter 16
  • P07.24

    Extreme immaturity of newborn, gestational age 25 completed weeks

    BillableChapter 16
  • P07.25

    Extreme immaturity of newborn, gestational age 26 completed weeks

    BillableChapter 16
  • P07.26

    Extreme immaturity of newborn, gestational age 27 completed weeks

    BillableChapter 16
  • P22.0

    Respiratory distress syndrome of newborn

    BillableChapter 16