MCMedicalCodingSoftware
T75.3XXA

T75.3XXA: Motion sickness, initial encounter

Billable / specific codeICD-10-CM

T75.3XXA is a billable, specific ICD-10-CM code for motion sickness, initial encounter. It is valid for submission on a claim.

Check T75.3XXA 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 T75

A
initial encounter
D
subsequent encounter
S
sequela

Use additional code

Add a secondary code to capture the detail described below.

  • external cause code to identify vehicle or type of motion (Y92.81-)

Inclusion terms

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

  • Airsickness
  • Seasickness
  • Travel sickness

Excludes1 inherited from the categories above T75.3XXA

A category’s note binds every code beneath it.

Written on T75: Other and unspecified effects of other external causes

  • adverse effects NEC (T78.-)

Excludes2 inherited from the categories above T75.3XXA

Not part of this code, but both may be coded when both are present.

Written on T75: Other and unspecified effects of other external causes

Risk adjustment

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

Medicare coverage

T75.3XXA is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A58801Billing and Coding: Pharmacogenomics Testing
  • A58812Billing and Coding: Pharmacogenomics Testing
  • A59915Billing and Coding: Pharmacogenomic Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T75.3

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.