T73.3 – Exhaustion due to excessive exertion
ICD-10-CM 2027 diagnosis code · Other and unspecified effects of external causes
- Code
T73.3(claims format:T733)- Description
- Exhaustion due to excessive exertion
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- T66-T78 Other and unspecified effects of external causes
- Parent codes
- T73
Billable codes under T73.3
T73.3 is a header code and cannot be used on claims. Choose the most specific code:
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for T73.3
- Exhaustion due to overexertion
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
T73 – Effects of other deprivation
- The appropriate 7th character is to be added to each code from category T73
Block T66-T78
- , 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-)
Index terms for T73.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in T73
Frequently asked questions
What is ICD-10 code T73.3?
T73.3 is the ICD-10-CM code for exhaustion due to excessive exertion, in the block T66-T78 (Other and unspecified effects of external causes).
Is T73.3 a billable code?
No. T73.3 is a header code with more specific child codes; report one of the billable codes listed above.
What category does T73.3 belong to?
It belongs to category T73 – Effects of other deprivation.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.