T39.011A: Poisoning by aspirin, accidental (unintentional), initial encounter

T39.011A, poisoning by aspirin, accidental (unintentional), initial encounter, is listed as a covered diagnosis in 8 Medicare billing and coding articles that apply to 7 HCPCS Level II codes, including G0480 (Drug test(s), definitive, utilizing (1) drug…), G0483 (Drug test(s), definitive, utilizing (1) drug…), G0482 (Drug test(s), definitive, utilizing (1) drug…). The articles come from 7 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with T39.011A as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0480Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performedCarrier judgment—7
G0483Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 22 or more drug class(es), including metabolite(s) if performedCarrier judgment—7
G0482Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 15-21 drug class(es), including metabolite(s) if performedCarrier judgment—7
G0481Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 8-14 drug class(es), including metabolite(s) if performedCarrier judgment—7
G0659Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem), excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase), performed without method or drug-specific calibration, without matrix-matched quality control material, or without use of stable isotope or other universally recognized internal standard(s) for each drug, drug metabolite or drug class per specimen; qualitative or quantitative, all sources, includes specimen validity testing, per day, any number of drug classesCarrier judgment—7
G0278Iliac and/or femoral artery angiography, non-selective, bilateral or ipsilateral to catheter insertion, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of the catheter in the distal aorta or ipsilateral femoral or iliac artery, injection of dye, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure)Carrier judgment—1
G0269Placement of occlusive device into either a venous or arterial access site, post surgical or interventional procedure (e.g., angioseal plug, vascular plug)Special coverage instructions apply—1

Medicare policy articles listing T39.011A

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other T39 diagnoses (Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics)

Frequently asked questions

Does Medicare cover T39.011A (Poisoning by aspirin, accidental (unintentional), initial…)?

Medicare covers items and services, not diagnoses. 8 Medicare billing and coding articles list T39.011A as a covered diagnosis for 7 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 T39.011A?

The Level II codes from the policies most specific to this diagnosis are G0480 (Drug test(s), definitive, utilizing (1) drug…, 7 articles); G0483 (Drug test(s), definitive, utilizing (1) drug…, 7 articles); G0482 (Drug test(s), definitive, utilizing (1) drug…, 7 articles); G0481 (Drug test(s), definitive, utilizing (1) drug…, 7 articles); G0659 (Drug test(s), definitive, utilizing drug identification…, 7 articles). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list T39.011A?

A57077 (Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing); A55001 (Billing and Coding: Urine Drug Testing); A56915 (Billing and Coding: Urine Drug Testing), and 5 more articles.

What is ICD-10-CM code T39.011A?

T39.011A is the ICD-10-CM code for poisoning by aspirin, accidental (unintentional), initial encounter, in category T39 (Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics), chapter 19: Injury, poisoning and other consequences of external causes.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 19: Injury, poisoning and other consequences of external causes · All diagnoses · HCPCS lookup