Z56.3 Stressful work schedule

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

Applies from Z56 Problems related to employment and unemployment

Excludes2 (not included here)

• occupational exposure to risk factors (Z57.-)
• problems related to housing and economic circumstances (Z59.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V62.1 Adverse effects of work environment (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 Z56.3

Back-references to Z56

• Type 2 Excludes: Z72 Problems related to lifestyle ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")
• Type 2 Excludes: Z73 Problems related to life management difficulty ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")
• Type 1 Excludes: Z73.3 Stress, not elsewhere classified ("stress related to employment or unemployment (Z56.-)")

Diagnosis Index entries for Z56.3

• Difficult, difficulty (in) › work › schedule
• Problem (with) (related to) › employment › stressful schedule
• Problem (with) (related to) › work schedule (stressful)
• Stress › work schedule

Nearby codes

• Z56 Problems related to employment and unemployment
• Z56.0 Unemployment, unspecified
• Z56.1 Change of job
• Z56.2 Threat of job loss
• Z56.3 Stressful work schedule (this code)
• Z56.4 Discord with boss and workmates
• Z56.5 Uncongenial work environment
• Z56.6 Other physical and mental strain related to work
• Z56.8 Other problems related to employment
• Z56.81 Sexual harassment on the job