ICD-9-CM Diagnosis Code 209.30
Diagnosis Code: 209.30 (Raw: 20930)
Description: Malignant poorly differentiated neuroendocrine carcinoma, any site
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 209.30 is designated for Malignant poorly differentiated neuroendocrine carcinoma, any site. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.
