Z73.3 Stress, not elsewhere classified

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Physical and mental strain NOS

Excludes1 (never code together)

• stress related to employment or unemployment (Z56.-)

Applies from Z73 Problems related to life management difficulty

Excludes2 (not included here)

• problems related to socioeconomic and psychosocial circumstances (Z55-Z65)

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V69.8 Other problems related to lifestyle (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z73.3

Back-references to Z73

• Type 2 Excludes: Z72 Problems related to lifestyle ("problems related to life-management difficulty (Z73.-)")

Diagnosis Index entries for Z73.3

• Reaction › post-traumatic stress, uncomplicated
• Strain › mental NOS
• Strain › physical NOS
• Strain › psychological NEC
• Stress › mental NEC
• Stress › physical NEC

Nearby codes

• Z73 Problems related to life management difficulty
• Z73.0 Burn-out
• Z73.1 Type A behavior pattern
• Z73.2 Lack of relaxation and leisure
• Z73.3 Stress, not elsewhere classified (this code)
• Z73.4 Inadequate social skills, not elsewhere classified
• Z73.5 Social role conflict, not elsewhere classified
• Z73.6 Limitation of activities due to disability
• Z73.8 Other problems related to life management difficulty
• Z73.81 Behavioral insomnia of childhood