Excludes1 pair
Z56- vs Z73.3
Z56 and Z73.3 are not coded together. ICD-10-CM declares them mutually exclusive with an Excludes1 note — the two conditions are not expected to occur together, so exactly one of them is normally correct for a given encounter. The Official Guidelines carve out one exception: if the two conditions are clearly unrelated to each other, both may be reported.
The official note, declared on Z73.3
stress related to employment or unemployment (Z56.-)
Z56
Problems related to employment and unemployment
Not billable
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z55-Z65
Z73.3
Stress, not elsewhere classified
BillableUnspecified
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z69-Z76
Use when the record says
- Physical and mental strain NOS
Indexed under
- Reaction › post-traumatic stress, uncomplicated
- Strain › mental NOS
- Strain › physical NOS
- Strain › psychological NEC
- Stress › mental NEC
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027