K55.3
Non-billableNecrotizing enterocolitis
Necrotizing enterocolitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- necrotizing enterocolitis of newborn (P77.-)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- angioectasia (angiodysplasia) duodenum (K31.81-)
- necrotizing enterocolitis due to Clostridium difficile (A04.7-)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K55.3?
ICD-10-CM code K55.3 represents "Necrotizing enterocolitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is K55.3 a billable code?
No, K55.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K55.3.
What chapter is K55.3 in?
K55.3 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K55.3?
K55.3 has Excludes1 notes indicating codes that cannot be used together with it, including: necrotizing enterocolitis of newborn (P77.-).
What are the subcategories under K55.3?
K55.3 has 4 child codes, including: K55.30 (Necrotizing enterocolitis, unspecified), K55.31 (Stage 1 necrotizing enterocolitis), K55.32 (Stage 2 necrotizing enterocolitis), K55.33 (Stage 3 necrotizing enterocolitis).
What are the UMLS CUIs for K55.3?
K55.3 is linked to 1 UMLS Concept Unique Identifier: C0520459. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.