MS-DRG · FY 2026 v43.0

MS-DRG 794 – Neonate with Other Significant Problems

A Medical DRG in MDC 15 (Newborns & Other Neonates with Conditions Originating in Perinatal Period). Inpatient cases group to DRG 794 when the ICD-10-CM principal diagnosis is one of the 201 codes listed below. Its FY 2026 relative weight is 1.4759 with a geometric mean length of stay of 3.4 days.

Medical DRG – assigned by principal diagnosis✓ Official CMS v43.0 dataset
1.4759
Relative Weight
3.4
Geometric Mean LOS (days)
3.4
Arithmetic Mean LOS (days)
201
Principal Diagnosis Codes
How a case is assigned to DRG 794

The grouper first assigns the case to MDC 15 from the principal diagnosis and finds no qualifying operating-room procedure (this is a Medical DRG; ICD-10-PCS codes do not drive assignment here).

ICD-10-CM

Principal Diagnosis Codes 201 codes · 37 categories

201 of 201 shown
A33 Tetanus neonatorum1 code
  • A33 Tetanus neonatorum
P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy7 codes
  • P00.0 Newborn affected by maternal hypertensive disorders
  • P00.1 Newborn affected by maternal renal and urinary tract diseases
  • P00.4 Newborn affected by maternal nutritional disorders
  • P00.5 Newborn affected by maternal injury
  • P00.6 Newborn affected by surgical procedure on mother
  • P00.7 Newborn affected by other medical procedures on mother, not elsewhere classified
  • P00.81 Newborn affected by periodontal disease in mother
P01 Newborn affected by maternal complications of pregnancy10 codes
  • P01.0 Newborn affected by incompetent cervix
  • P01.1 Newborn affected by premature rupture of membranes
  • P01.2 Newborn affected by oligohydramnios
  • P01.3 Newborn affected by polyhydramnios
  • P01.4 Newborn affected by ectopic pregnancy
  • P01.5 Newborn affected by multiple pregnancy
  • P01.6 Newborn affected by maternal death
  • P01.7 Newborn affected by malpresentation before labor
  • P01.8 Newborn affected by other maternal complications of pregnancy
  • P01.9 Newborn affected by maternal complication of pregnancy, unspecified
P02 Newborn affected by complications of placenta, cord and membranes9 codes
  • P02.0 Newborn affected by placenta previa
  • P02.1 Newborn affected by other forms of placental separation and hemorrhage
  • P02.20 Newborn affected by unspecified morphological and functional abnormalities of placenta
  • P02.29 Newborn affected by other morphological and functional abnormalities of placenta
  • P02.3 Newborn affected by placental transfusion syndromes
  • P02.70 Newborn affected by fetal inflammatory response syndrome
  • P02.78 Newborn affected by other conditions from chorioamnionitis
  • P02.8 Newborn affected by other abnormalities of membranes
  • P02.9 Newborn affected by abnormality of membranes, unspecified
P03 Newborn affected by other complications of labor and delivery6 codes
  • P03.6 Newborn affected by abnormal uterine contractions
  • P03.810 Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm before the onset of labor
  • P03.811 Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor
  • P03.819 Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset
  • P03.82 Meconium passage during delivery
  • P03.89 Newborn affected by other specified complications of labor and delivery
P04 Newborn affected by noxious substances transmitted via placenta or breast milk22 codes
  • P04.0 Newborn affected by maternal anesthesia and analgesia in pregnancy, labor and delivery
  • P04.11 Newborn affected by maternal antineoplastic chemotherapy
  • P04.12 Newborn affected by maternal cytotoxic drugs
  • P04.13 Newborn affected by maternal use of anticonvulsants
  • P04.14 Newborn affected by maternal use of opiates
  • P04.15 Newborn affected by maternal use of antidepressants
  • P04.16 Newborn affected by maternal use of amphetamines
  • P04.17 Newborn affected by maternal use of sedative-hypnotics
  • P04.18 Newborn affected by other maternal medication
  • P04.19 Newborn affected by maternal use of unspecified medication
  • P04.1A Newborn affected by maternal use of anxiolytics
  • P04.2 Newborn affected by maternal use of tobacco
  • P04.3 Newborn affected by maternal use of alcohol
  • P04.40 Newborn affected by maternal use of unspecified drugs of addiction
  • P04.41 Newborn affected by maternal use of cocaine
  • P04.42 Newborn affected by maternal use of hallucinogens
  • P04.49 Newborn affected by maternal use of other drugs of addiction
  • P04.5 Newborn affected by maternal use of nutritional chemical substances
  • P04.6 Newborn affected by maternal exposure to environmental chemical substances
  • P04.81 Newborn affected by maternal use of cannabis
  • P04.89 Newborn affected by other maternal noxious substances
  • P04.9 Newborn affected by maternal noxious substance, unspecified
P05 Disorders of newborn related to slow fetal growth and fetal malnutrition11 codes
  • P05.00 Newborn light for gestational age, unspecified weight
  • P05.01 Newborn light for gestational age, less than 500 grams
  • P05.02 Newborn light for gestational age, 500-749 grams
  • P05.03 Newborn light for gestational age, 750-999 grams
  • P05.04 Newborn light for gestational age, 1000-1249 grams
  • P05.05 Newborn light for gestational age, 1250-1499 grams
  • P05.06 Newborn light for gestational age, 1500-1749 grams
  • P05.07 Newborn light for gestational age, 1750-1999 grams
  • P05.09 Newborn light for gestational age, 2500 grams and over
  • P05.10 Newborn small for gestational age, unspecified weight
  • P05.9 Newborn affected by slow intrauterine growth, unspecified
P11 Other birth injuries to central nervous system2 codes
  • P11.1 Other specified brain damage due to birth injury
  • P11.3 Birth injury to facial nerve
P13 Birth injury to skeleton7 codes
  • P13.0 Fracture of skull due to birth injury
  • P13.1 Other birth injuries to skull
  • P13.2 Birth injury to femur
  • P13.3 Birth injury to other long bones
  • P13.4 Fracture of clavicle due to birth injury
  • P13.8 Birth injuries to other parts of skeleton
  • P13.9 Birth injury to skeleton, unspecified
P14 Birth injury to peripheral nervous system3 codes
  • P14.0 Erb's paralysis due to birth injury
  • P14.1 Klumpke's paralysis due to birth injury
  • P14.3 Other brachial plexus birth injuries
P15 Other birth injuries9 codes
  • P15.0 Birth injury to liver
  • P15.1 Birth injury to spleen
  • P15.2 Sternomastoid injury due to birth injury
  • P15.3 Birth injury to eye
  • P15.4 Birth injury to face
  • P15.5 Birth injury to external genitalia
  • P15.6 Subcutaneous fat necrosis due to birth injury
  • P15.8 Other specified birth injuries
  • P15.9 Birth injury, unspecified
P19 Metabolic acidemia in newborn4 codes
  • P19.0 Metabolic acidemia in newborn first noted before onset of labor
  • P19.1 Metabolic acidemia in newborn first noted during labor
  • P19.2 Metabolic acidemia noted at birth
  • P19.9 Metabolic acidemia in newborn, unspecified
P22 Respiratory distress of newborn3 codes
  • P22.1 Transient tachypnea of newborn
  • P22.8 Other respiratory distress of newborn
  • P22.9 Respiratory distress of newborn, unspecified
P28 Other respiratory conditions originating in the perinatal period17 codes
  • P28.10 Unspecified atelectasis of newborn
  • P28.11 Resorption atelectasis without respiratory distress syndrome
  • P28.19 Other atelectasis of newborn
  • P28.2 Cyanotic attacks of newborn
  • P28.30 Primary sleep apnea of newborn, unspecified
  • P28.31 Primary central sleep apnea of newborn
  • P28.32 Primary obstructive sleep apnea of newborn
  • P28.33 Primary mixed sleep apnea of newborn
  • P28.39 Other primary sleep apnea of newborn
  • P28.40 Unspecified apnea of newborn
  • P28.41 Central neonatal apnea of newborn
  • P28.42 Obstructive apnea of newborn
  • P28.43 Mixed neonatal apnea of newborn
  • P28.49 Other apnea of newborn
  • P28.81 Respiratory arrest of newborn
  • P28.89 Other specified respiratory conditions of newborn
  • P28.9 Respiratory condition of newborn, unspecified
P29 Cardiovascular disorders originating in the perinatal period7 codes
  • P29.0 Neonatal cardiac failure
  • P29.11 Neonatal tachycardia
  • P29.12 Neonatal bradycardia
  • P29.2 Neonatal hypertension
  • P29.4 Transient myocardial ischemia in newborn
  • P29.89 Other cardiovascular disorders originating in the perinatal period
  • P29.9 Cardiovascular disorder originating in the perinatal period, unspecified
P37 Other congenital infectious and parasitic diseases1 code
  • P37.5 Neonatal candidiasis
P39 Other infections specific to the perinatal period1 code
  • P39.1 Neonatal conjunctivitis and dacryocystitis
P51 Umbilical hemorrhage of newborn3 codes
  • P51.0 Massive umbilical hemorrhage of newborn
  • P51.8 Other umbilical hemorrhages of newborn
  • P51.9 Umbilical hemorrhage of newborn, unspecified
P54 Other neonatal hemorrhages4 codes
  • P54.0 Neonatal hematemesis
  • P54.6 Neonatal vaginal hemorrhage
  • P54.8 Other specified neonatal hemorrhages
  • P54.9 Neonatal hemorrhage, unspecified
P55 Hemolytic disease of newborn2 codes
  • P55.0 Rh isoimmunization of newborn
  • P55.1 ABO isoimmunization of newborn
P58 Neonatal jaundice due to other excessive hemolysis9 codes
  • P58.0 Neonatal jaundice due to bruising
  • P58.1 Neonatal jaundice due to bleeding
  • P58.2 Neonatal jaundice due to infection
  • P58.3 Neonatal jaundice due to polycythemia
  • P58.41 Neonatal jaundice due to drugs or toxins transmitted from mother
  • P58.42 Neonatal jaundice due to drugs or toxins given to newborn
  • P58.5 Neonatal jaundice due to swallowed maternal blood
  • P58.8 Neonatal jaundice due to other specified excessive hemolysis
  • P58.9 Neonatal jaundice due to excessive hemolysis, unspecified
P59 Neonatal jaundice from other and unspecified causes1 code
  • P59.0 Neonatal jaundice associated with preterm delivery
P61 Other perinatal hematological disorders6 codes
  • P61.1 Polycythemia neonatorum
  • P61.3 Congenital anemia from fetal blood loss
  • P61.4 Other congenital anemias, not elsewhere classified
  • P61.5 Transient neonatal neutropenia
  • P61.8 Other specified perinatal hematological disorders
  • P61.9 Perinatal hematological disorder, unspecified
P70 Transitory disorders of carbohydrate metabolism specific to newborn4 codes
  • P70.0 Syndrome of infant of mother with gestational diabetes
  • P70.1 Syndrome of infant of a diabetic mother
  • P70.8 Other transitory disorders of carbohydrate metabolism of newborn
  • P70.9 Transitory disorder of carbohydrate metabolism of newborn, unspecified
P72 Other transitory neonatal endocrine disorders4 codes
  • P72.0 Neonatal goiter, not elsewhere classified
  • P72.2 Other transitory neonatal disorders of thyroid function, not elsewhere classified
  • P72.8 Other specified transitory neonatal endocrine disorders
  • P72.9 Transitory neonatal endocrine disorder, unspecified
P74 Other transitory neonatal electrolyte and metabolic disturbances5 codes
  • P74.41 Alkalosis of newborn
  • P74.5 Transitory tyrosinemia of newborn
  • P74.6 Transitory hyperammonemia of newborn
  • P74.8 Other transitory metabolic disturbances of newborn
  • P74.9 Transitory metabolic disturbance of newborn, unspecified
P76 Other intestinal obstruction of newborn3 codes
  • P76.1 Transitory ileus of newborn
  • P76.8 Other specified intestinal obstruction of newborn
  • P76.9 Intestinal obstruction of newborn, unspecified
P78 Other perinatal digestive system disorders9 codes
  • P78.1 Other neonatal peritonitis
  • P78.2 Neonatal hematemesis and melena due to swallowed maternal blood
  • P78.3 Noninfective neonatal diarrhea
  • P78.81 Congenital cirrhosis (of liver)
  • P78.82 Peptic ulcer of newborn
  • P78.83 Newborn esophageal reflux
  • P78.84 Gestational alloimmune liver disease
  • P78.89 Other specified perinatal digestive system disorders
  • P78.9 Perinatal digestive system disorder, unspecified
P80 Hypothermia of newborn3 codes
  • P80.0 Cold injury syndrome
  • P80.8 Other hypothermia of newborn
  • P80.9 Hypothermia of newborn, unspecified
P81 Other disturbances of temperature regulation of newborn3 codes
  • P81.0 Environmental hyperthermia of newborn
  • P81.8 Other specified disturbances of temperature regulation of newborn
  • P81.9 Disturbance of temperature regulation of newborn, unspecified
P83 Other conditions of integument specific to newborn6 codes
  • P83.0 Sclerema neonatorum
  • P83.30 Unspecified edema specific to newborn
  • P83.39 Other edema specific to newborn
  • P83.4 Breast engorgement of newborn
  • P83.5 Congenital hydrocele
  • P83.9 Condition of the integument specific to newborn, unspecified
P84 Other problems with newborn1 code
  • P84 Other problems with newborn
P91 Other disturbances of cerebral status of newborn2 codes
  • P91.60 Hypoxic ischemic encephalopathy [HIE], unspecified
  • P91.61 Mild hypoxic ischemic encephalopathy [HIE]
P94 Disorders of muscle tone of newborn4 codes
  • P94.1 Congenital hypertonia
  • P94.2 Congenital hypotonia
  • P94.8 Other disorders of muscle tone of newborn
  • P94.9 Disorder of muscle tone of newborn, unspecified
P95 Stillbirth1 code
P96 Other conditions originating in the perinatal period7 codes
  • P96.0 Congenital renal failure
  • P96.3 Wide cranial sutures of newborn
  • P96.5 Complication to newborn due to (fetal) intrauterine procedure
  • P96.81 Exposure to (parental) (environmental) tobacco smoke in the perinatal period
  • P96.83 Meconium staining
  • P96.89 Other specified conditions originating in the perinatal period
  • P96.9 Condition originating in the perinatal period, unspecified
Q86 Congenital malformation syndromes due to known exogenous causes, not elsewhere classified4 codes
  • Q86.0 Fetal alcohol syndrome (dysmorphic)
  • Q86.1 Fetal hydantoin syndrome
  • Q86.2 Dysmorphism due to warfarin
  • Q86.8 Other congenital malformation syndromes due to known exogenous causes
ICD-10-PCS

Procedure Codes

Procedure codes do not drive assignment for this DRG. DRG 794 is a Medical DRG, assigned from the principal diagnosis above.

Frequently Asked Questions

What is MS-DRG 794?

MS-DRG 794 (Neonate with Other Significant Problems) is a medical DRG in MDC 15 (Newborns & Other Neonates with Conditions Originating in Perinatal Period). Its FY 2026 relative weight is 1.4759 with a geometric mean length of stay of 3.4 days.

How many diagnosis codes group to DRG 794?

201 ICD-10-CM principal diagnosis codes group to this DRG, spanning 37 three-character categories.

What is the relative weight of DRG 794?

The FY 2026 relative weight of this DRG is 1.4759, meaning reimbursement of roughly 1.48 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 793 – Full Term Neonate with Major Problems
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.