MCMedicalCodingSoftware
X32

X32: Exposure to sunlight

Non-billable headerICD-10-CM

X32 is a non-billable header ICD-10-CM code for exposure to sunlight. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to code X32

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • man-made radiation (tanning bed) (W89)

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Other codes that can never be billed with X32

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

  • V93.2Heat exposure on board watercraft
  • W88Exposure to ionizing radiation
  • X30Exposure to excessive natural heat
  • X30.XXXAExposure to excessive natural heat, initial encounter
  • X30.XXXDExposure to excessive natural heat, subsequent encounter
  • X30.XXXSExposure to excessive natural heat, sequela
  • X39.0Exposure to natural radiation

Risk adjustment

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

Alphabetic index entries that lead here

  • Coup de soleil
  • Siriasis
  • Sunstroke
  • Exposure›sunlight
  • Forces of nature›sunlight
  • Overexposure›sun(sunburn)
  • Radiation›sun
  • Radiation›light sources›natural
  • Radiation›ultraviolet›natural

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead X32

3 child codes. Green means billable.

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.