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T41.0X5A

T41.0X5A: Adverse effect of inhaled anesthetics, initial encounter

Billable / specific codeICD-10-CM

T41.0X5A is a billable, specific ICD-10-CM code for adverse effect of inhaled anesthetics, initial encounter. It is valid for submission on a claim.

Check T41.0X5A 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 T41

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above T41.0X5A

A category’s note binds every code beneath it.

Written on T41.0: Poisoning by, adverse effect of and underdosing of inhaled anesthetics

Written on T41: Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases

  • benzodiazepines (T42.4-)
  • cocaine (T40.5-)
  • complications of anesthesia during pregnancy (O29.-)
  • complications of anesthesia during labor and delivery (O74.-)
  • complications of anesthesia during the puerperium (O89.-)
  • opioids (T40.0-T40.2-)

Risk adjustment

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

Medicare coverage

T41.0X5A is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56612Billing and Coding: CT of the Head
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A56844Billing and Coding: RAST Type Tests
  • A57043Billing and Coding: RAST Type Tests

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T41.0X5

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.