ICD-10 Diagnosis Code T56.91XD

Toxic effect of unsp metal, accidental (unintentional), subs

Diagnosis Code T56.91XD

ICD-10: T56.91XD
Short Description: Toxic effect of unsp metal, accidental (unintentional), subs
Long Description: Toxic effect of unspecified metal, accidental (unintentional), subsequent encounter
This is the 2018 version of the ICD-10-CM diagnosis code T56.91XD

Valid for Submission
The code T56.91XD is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
      • Toxic effect of metals (T56)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code T56.91XD is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code T56.91XD is exempt from POA reporting.

  • Accidental poisoning caused by metal
  • Heavy metal nephropathy
  • Heavy-metal-induced tubulointerstitial nephritis
  • Metallic tremor
  • Metallosis
  • Nephropathy caused by heavy metals
  • Neuropathy caused by chemical substance
  • Neuropathy caused by heavy metal
  • Posteruptive color change of tooth
  • Posteruptive tooth staining caused by metal
  • Toxic effect of heavy metal
  • Toxic effect of metal

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