AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; ICD-10-CM NEW/REVISED CODES

Vascular Disorders of Intestine

Category K55, Vascular disorders of intestine, has been expanded to specify the extent of acute ischemia (K55.01- and K55.03-) and acute infarction (K55.02- and K55.04-): focal, diffuse and unspecified extent for the small intestine, large intestine, and unspecified part of the intestine. Codes K55.30, Necrotizing enterocolitis, unspecified; K55.31, Stage 1 necrotizing enterocolitis; K55.32, Stage 2 necrotizing enterocolitis; and K55.33, Stage 3 necrotizing enterocolitis, have been created for necrotizing enterocolitis that originates outside of the newborn period. Previously, the only codes that identify this condition were for when necrotizing enterocolitis originates in...

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