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ICD-10/T67.2XXA

T67.2XXA ICD-10-CM Code: Heat cramp, initial encounter

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 922 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC (MDC 21)
  • MS-DRG 923 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC (MDC 21)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Heat cramp, initial encounter is a billable ICD-10-CM diagnosis code (T67.2A).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T67.2XXA in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • erythema [dermatitis] ab igne (L59.0)
  • malignant hyperpyrexia due to anesthesia (T88.3)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • burns (T20-T31)
  • sunburn (L55.-)
  • sweat disorder due to heat (L74-L75)

Code Also

Additional codes that may be required to fully describe the encounter.

  • Code also, 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-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Does T67.2XXA require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T67.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T67.2XXA in its code family, with their registry titles.

  • T67.1 — Heat syncope
  • T67.1XXA — Heat syncope, initial encounter
  • T67.1XXD — Heat syncope, subsequent encounter
  • T67.1XXS — Heat syncope, sequela
  • T67.2 — Heat cramp
  • T67.2XXD — Heat cramp, subsequent encounter
  • T67.2XXS — Heat cramp, sequela
  • T67.3 — Heat exhaustion, anhydrotic
  • T67.3XXA — Heat exhaustion, anhydrotic, initial encounter
  • T67.3XXD — Heat exhaustion, anhydrotic, subsequent encounter

View all codes in the T67 family