2025 ICD-10-CM code T67.1

Heat syncope or heat collapse.

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate the cause of injury. Codes within the T section that include the external cause do not require an additional external cause code. Use an additional code to identify any retained foreign body, if applicable (Z18.-)

A 7th character is required to indicate the encounter type: A (initial encounter), D (subsequent encounter), or S (sequela). Two "X" placeholders are needed to complete the code.

Medical necessity for the treatment of heat syncope is established by the patient's symptoms and clinical presentation. Prompt treatment is necessary to prevent further complications.

Physicians should assess the patient's vital signs, level of consciousness, and hydration status.They should also evaluate for any other underlying medical conditions that may have contributed to the syncope. Treatment typically involves moving the patient to a cool environment, providing fluids, and monitoring their condition.

In simple words: Fainting or passing out due to overheating.

Heat syncope is a temporary loss of consciousness or fainting caused by excessive heat exposure. It's often associated with prolonged standing or sudden changes in posture in hot environments.

Example 1: A construction worker collapses on a hot summer day after standing for several hours. The worker experiences dizziness and brief loss of consciousness due to heat syncope., An elderly individual faints while gardening in the afternoon sun. The individual is diagnosed with heat syncope due to prolonged exposure to heat and dehydration., A marathon runner collapses near the finish line on a hot day. The runner experiences heat syncope due to a combination of heat exposure, dehydration, and physical exertion.

Documentation should include the patient's symptoms, duration of heat exposure, vital signs, level of consciousness, and any associated medical conditions. Any treatment provided, such as fluid administration, should also be documented.

** Excludes1: 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: burns (T20-T31), sunburn (L55.-), sweat disorder due to heat (L74-L75).

  • Payment Status: Active
  • Specialties:Emergency Medicine, Internal Medicine, Family Medicine, Sports Medicine
  • Place of Service:Office, Home, Inpatient Hospital, On Campus-Outpatient Hospital, Emergency Room - Hospital,Outreach Site/Street,Ambulance - Land
** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.