ICDcodes.org
FY2027

T67.5XXAHeat exhaustion, unspecified, initial encounter

BillableUnspecified

Is T67.5XXA billable?

Yes, but T67.5XXA is an unspecified code. T67.5XXA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T67.5XXA is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T67.5XXA — the more specific alternatives are listed below.

T67.5XXA at a glance

CodeT67.5XXA
DescriptionHeat exhaustion, unspecified, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in T67.5XXA?

In T67.5XXA, the 7th character A means initial encounter. The 7th character is required for T67.5XXA to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does T67.5XXA group to?

T67.5XXA sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 922Other Injury, Poisoning and Toxic Effect Diagnoses with MCCmedical
  • 923Other Injury, Poisoning and Toxic Effect Diagnoses without MCCmedical

How is T67.5XXA listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T67.5, the nearest indexed parent of T67.5XXA. Use them to find the family, then select the specific code.

  • Exhaustion, exhaustiveheat (physical NEC)
  • Heatexhaustion (effects)

Inclusion terms

Alternative wording in documentation that is classified to T67.5XXA.

  • Heat prostration NOS

Excludes1 — never code together — inherited from T67

The conditions below can never be reported together with T67.5XXA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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

Use additional code — inherited from Chapter 19

Report an additional code alongside T67.5XXA to fully describe the condition. T67.5XXA is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T67.5XXA, but a patient may have both at the same time. When documentation supports it, T67.5XXA and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T67

The conditions below are not part of T67.5XXA, but a patient may have both at the same time. When documentation supports it, T67.5XXA and the excluded code may both be reported.

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

Code also — inherited from T66-T78

Two codes may be needed to describe the condition fully. Whether T67.5XXA is sequenced first depends on the reason for 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-)

How long has T67.5XXA existed?

T67.5XXA has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.