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ICD-9-CM diagnosis code (retired)

909.1 — Late effect of toxic effects of nonmedical substances

ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.

About ICD-9-CM 909.1

909.1 is an ICD-9-CM diagnosis code for late effect of toxic effects of nonmedical substances. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.

The CMS General Equivalence Mappings translate it to 4 ICD-10-CM codes, such as T65.91XS (Toxic effect of unspecified substance, accidental (unintentional), sequela), T65.92XS (Toxic effect of unspecified substance, intentional self-harm, sequela) and T65.93XS (Toxic effect of unspecified substance, assault, sequela). All of these are approximate matches, so review the record to pick the right one.

ICD-10-CM equivalents

Common questions about 909.1

What is the ICD-10 code for ICD-9 909.1?

The GEMs map 909.1 to ICD-10-CM T65.91XS, T65.92XS, T65.93XS and T65.94XS.

GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.