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ICD-10-CM Codes
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P00-P96
Certain conditions originating in the perinatal period
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P76-P78
Digestive system disorders of newborn
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P77-
Necrotizing enterocolitis of newborn
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2020 ICD-10-CM Diagnosis Code P77
2020 ICD-10-CM Diagnosis Code P77
Necrotizing enterocolitis of newborn
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
- P77 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2020 edition of ICD-10-CM P77 became effective on October 1, 2019.
- This is the American ICD-10-CM version of P77 - other international versions of ICD-10 P77 may differ.
The following code(s) above
P77 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
P77:
- A serious, life-threatening disorder characterized by necrotic changes affecting portions of the small and large intestine. It is usually seen in neonates, particularly premature infants. Signs and symptoms include abdominal distention and tenderness, intestinal bleeding and ileus. It may lead to cardiovascular collapse and shock.
- Enterocolitis with extensive ulceration (ulcer) and necrosis. It is observed primarily in low birth weight infant.
- Extensive ulceration and necrosis of the ileum and colon in premature infants in the neonatal period; possibly due to perinatal intestinal ischemia and bacterial invasion.
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
Code annotations containing back-references to P77:
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Type 1 Excludes: K55, K55.3
ICD-10-CM Diagnosis Code K55
Vascular disorders of intestine
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Type 1 Excludes- necrotizing enterocolitis of newborn (P77.-)
ICD-10-CM Diagnosis Code K55.3
Necrotizing enterocolitis
2017 - New Code 2018 2019 2020 Non-Billable/Non-Specific Code
Type 1 Excludes- necrotizing enterocolitis of newborn (P77.-)
Type 2 Excludes- necrotizing enterocolitis due to Clostridium difficile (A04.7-)
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Type 2 Excludes: P37
ICD-10-CM Diagnosis Code P37
Other congenital infectious and parasitic diseases
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Type 2 Excludes- congenital syphilis (A50.-)
- infectious neonatal diarrhea (A00-A09)
- necrotizing enterocolitis in newborn (P77.-)
- noninfectious neonatal diarrhea (P78.3)
- ophthalmia neonatorum due to gonococcus (A54.31)
- tetanus neonatorum (A33)
ICD-10-CM Codes Adjacent To P77
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 newborn
P76.0 Meconium plug syndrome
P76.1 Transitory ileus of newborn
P76.2 Intestinal obstruction due to inspissated milk
P76.8 Other specified intestinal obstruction of newborn
P76.9 Intestinal obstruction of newborn, unspecified
P77
Necrotizing enterocolitis of newborn
P77.1 Stage 1 necrotizing enterocolitis in newborn
P77.2 Stage 2 necrotizing enterocolitis in newborn
P77.3 Stage 3 necrotizing enterocolitis in newborn
P77.9 Necrotizing enterocolitis in newborn, unspecified
P78 Other perinatal digestive system disorders
P78.0 Perinatal intestinal perforation
P78.1 Other neonatal peritonitis
P78.2 Neonatal hematemesis and melena due to swallowed maternal blood
P78.3 Noninfective neonatal diarrhea
P78.8 Other specified perinatal digestive system disorders
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
