ICD-9-CM Diagnosis Code 562.01
Diagnosis Code: 562.01 (Raw: 56201)
Description: Diverticulitis of small intestine (without mention of hemorrhage)
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 562.01 is designated for Diverticulitis of small intestine (without mention of hemorrhage). While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
