ICD-10-CM K55.31: Stage 1 necrotizing enterocolitis

ICD-10-CM Diagnosis Code (2025)

Official Description for K55.31

Stage 1 necrotizing enterocolitis

Coding Notes & Guidelines for K55.31

Inclusion Terms

Necrotizing enterocolitis without pneumatosis, without perforation

Parent Code (Less Specific):

About ICD-10-CM Code K55.31 (Stage 1 necrotizing enterocolitis)

ICD-10-CM code K55.31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K55.31 became effective on October 1, 2024.

This page provides detailed information about K55.31 - Stage 1 necrotizing enterocolitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Stage 1 necrotizing enterocolitis.