MCMedicalCodingSoftware
T39.2X1A

T39.2X1A: Poisoning by pyrazolone derivatives, accidental (unintentional), initial encounter

Billable / specific codeICD-10-CM

T39.2X1A is a billable, specific ICD-10-CM code for poisoning by pyrazolone derivatives, accidental (unintentional), initial encounter. It is valid for submission on a claim.

Check T39.2X1A with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category T39

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Poisoning by pyrazolone derivatives NOS

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T39.2X1A is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54799Billing and Coding: Urine Drug Testing
  • A55001Billing and Coding: Urine Drug Testing
  • A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
  • A56818Billing and Coding: Urine Drug Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T39.2X1

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.