ICD-9-CM Diagnosis Code 987.6
Diagnosis Code: 987.6 (Raw: 9876)
Description: Toxic effect of chlorine gas
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 987.6 is designated for Toxic effect of chlorine gas. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.
