ICD-10-CM
ICD-10 code for Overexertion (effects) (exhaustion): T73.3
The ICD-10-CM index points "Overexertion (effects) (exhaustion)" to T73.3, Exhaustion due to excessive exertion. T73.3 is not billable on its own. Add the 7th character for the encounter, for example T73.3XXA, Exhaustion due to excessive exertion, initial encounter.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in T73
A header groups codes and is not billed. A billable code is one you can report.
- T73Effects of other deprivationHeader
- T73.0StarvationHeader
- T73.0XXAStarvation, initial encounterBillable
- T73.0XXDStarvation, subsequent encounterBillable
- T73.0XXSStarvation, sequelaBillable
- T73.1Deprivation of waterHeader
- T73.1XXADeprivation of water, initial encounterBillable
- T73.1XXDDeprivation of water, subsequent encounterBillable
- T73.1XXSDeprivation of water, sequelaBillable
- T73.2Exhaustion due to exposureHeader
- T73.2XXAExhaustion due to exposure, initial encounterBillable
- T73.2XXDExhaustion due to exposure, subsequent encounterBillable
- T73.2XXSExhaustion due to exposure, sequelaBillable
- T73.3Exhaustion due to excessive exertionHeader
- T73.3XXAExhaustion due to excessive exertion, initial encounterBillable
- T73.3XXDExhaustion due to excessive exertion, subsequent encounterBillable
- T73.3XXSExhaustion due to excessive exertion, sequelaBillable
- T73.8Other effects of deprivationHeader
- T73.8XXAOther effects of deprivation, initial encounterBillable
- T73.8XXDOther effects of deprivation, subsequent encounterBillable
- T73.8XXSOther effects of deprivation, sequelaBillable
- T73.9Effect of deprivation, unspecifiedHeader
- T73.9XXAEffect of deprivation, unspecified, initial encounterBillable
- T73.9XXDEffect of deprivation, unspecified, subsequent encounterBillable
- T73.9XXSEffect of deprivation, unspecified, sequelaBillable
Related pages
- T73.3 code detailsNotes, nearby codes, CMS-HCC group
- Category T73Every code under it
- Chapter 19Injury, poisoning and certain other consequences
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Overexertion (effects) (exhaustion)?
The ICD-10-CM index points "Overexertion (effects) (exhaustion)" to T73.3, Exhaustion due to excessive exertion. T73.3 is not billable on its own. Add the 7th character for the encounter, for example T73.3XXA, Exhaustion due to excessive exertion, initial encounter.
Is T73.3 billable?
No. T73.3 is a header in the FY2027 CDC file. Report a more specific code under it.
What chapter is T73.3 in?
Chapter 19. Injury, poisoning and certain other consequences.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.