K55.33
Stage 3 necrotizing enterocolitis
Clinical Classification Guidelines
Inclusion Terms
- Necrotizing enterocolitis with perforation
- Necrotizing enterocolitis with pneumatosis and perforation
Medical Intelligence & Overview
Stage 3 necrotizing enterocolitis (NEC) is a severe condition affecting the intestines of infants, primarily premature babies or those with underlying health issues. This advanced stage involves significant intestinal damage, often with perforation (a hole in the intestinal wall), which can be life-threatening. Recognizing this condition early and understanding its severity can help in managing the health of affected infants effectively.
Causes & Symptoms
Clinical Causes: Premature birth, especially before 32 weeks of gestation Low birth weight Infections that affect the intestine Formula feeding in preterm infants (as opposed to breastfeeding) Rapid advancement of feedings or overfeeding Immature development of the gastrointestinal system Reduced blood flow to the intestines (ischemia) Patent ductus arteriosus (a heart condition that can affect blood flow)
Key Symptoms: Abdominal distension (swelling of the belly) Blood in the stool Vomiting, which may include bile Lethargy or decreased activity Poor feeding or refusal to eat Temperature instability (fever or hypothermia) Rapid or difficult breathing Signs of shock in severe cases
Diagnostic & Treatment
Diagnosis Path: Pneumatosis intestinalis (air within the wall of the intestines) Free air in the abdominal cavity indicating perforation Bowel wall thinning or necrosis Increased abdominal girth or tenderness
Treatment Protocols: Immediate hospitalization in a neonatal intensive care unit (NICU) Bowel rest through stopping feeding temporarily, often via intravenous (IV) nutrition Administration of antibiotics to treat or prevent infection Surgical intervention to repair or remove damaged portions of the intestine, especially if perforation is present Supportive care including fluid management, oxygen therapy, and blood transfusions if necessary Monitoring for complications such as sepsis or perforation-related issues
Clinical Advice & FAQs
Billing Guidance
Is K55.33 a billable ICD-10 code?
Yes, K55.33 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report K55.33?
Clinical documentation must specify the nature of Stage 3 necrotizing enterocolitis and any associated comorbidities for accurate reporting.
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