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T53.6X1A

T53.6X1A: Toxic effect of other halogen derivatives of aliphatic hydrocarbons, accidental (unintentional), initial encounter

Billable / specific codeICD-10-CM

T53.6X1A is a billable, specific ICD-10-CM code for toxic effect of other halogen derivatives of aliphatic hydrocarbons, accidental (unintentional), initial encounter. It is valid for submission on a claim.

Check T53.6X1A 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 T53

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

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

  • Toxic effects of other halogen derivatives of aliphatic hydrocarbons NOS

Other codes that can never be billed with T53.6X1A

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • T60.1Toxic effect of halogenated insecticides
  • T52Toxic effect of organic solvents

Risk adjustment

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

Medicare coverage

T53.6X1A is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56612Billing and Coding: CT of the Head
  • A57205Billing and Coding: Oximetry Services

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T53.6X1

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.