ICD-10-CM > K00-K95 > K65-K68 > K65 > K65.4 K65.4 Sclerosing mesenteritis Billable/Specific Copy Code Copy Description Applicable To Fat necrosis of peritoneum(Idiopathic) sclerosing mesenteric fibrosisMesenteric lipodystrophyMesenteric panniculitisRetractile mesenteritis