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ICD-9-CM diagnosis code (retired)

984.9 — Toxic effect of unspecified lead compound

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 984.9

984.9 is an ICD-9-CM diagnosis code for toxic effect of unspecified lead compound. 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 5 ICD-10-CM codes, such as M1A.10X1 (Lead-induced chronic gout, unspecified site, with tophus (tophi)), T56.0X1A (Toxic effect of lead and its compounds, accidental (unintentional), initial encounter) and T56.0X2A (Toxic effect of lead and its compounds, intentional self-harm, initial encounter). All of these are approximate matches, so review the record to pick the right one.

ICD-10-CM equivalents

Common questions about 984.9

What is the ICD-10 code for ICD-9 984.9?

The GEMs map 984.9 to ICD-10-CM M1A.10X1, T56.0X1A, T56.0X2A, T56.0X3A and T56.0X4A.

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.