All ICD10 Codes
T69Not billable, use a more specific code below

Other effects of reduced temperature

In Other and unspecified effects of external causes (T66-T78), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

27 billable codes under T69: 3 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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Instructional notes

Excludes2: not included here, code separately if applicable

Use additional code: add a second code for this, listed after this one

  • code to identify source of exposure:
  • Exposure to excessive cold of man-made origin (W93)
  • Exposure to excessive cold of natural origin (X31)

Also applies, from Other and unspecified effects of external causes (T66-T78)

These notes sit on T66-T78 and apply to every code under it, including T69.

Code also: add a code for this too, order depends on the encounter

  • if applicable, place of occurrence, such as:
  • highway rest stop (Y92.523)
  • school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
  • service areas as the place of occurrence of the external cause (Y92.52-)
  • single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
  • transport vehicle as the place of occurrence of the external cause (Y92.81-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers 7th character use and coding of injuries, fractures, burns, drug and toxic effects, abuse and neglect, and complications of care (S00-T88).

Read Section I.C.19 (page 77)

All codes under T69

T69 can't be used on a claim. Pick a billable code below; grey headings group them.

T69 MS-DRGs

As the principal diagnosis, the billable codes under T69 group to MS-DRG 922, 923, 949, or 950 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to T69

Notes on these codes point to T69.

  • T33-T34 Excludes2: hypothermia and other effects of reduced temperature (T68, T69.-)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.