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Mental Diseases and Disorders

Surgical hierarchy

In the order the grouper applies them, highest first. A patient with several procedures is assigned to the highest surgical class one of them belongs to, so this ordering decides the DRG, not the order procedures appear on the claim.

1. 1 O.R. Procedures with Principal Diagnosis of Mental Illness
   • 876 O.R. Procedures with Principal Diagnosis of Mental Illness 3.6897

Medical DRGs

8 medical DRGs. The surgical hierarchy does not apply to these, so they are listed by number.

• 880 Acute Adjustment Reaction and Psychosocial Dysfunction 0.9306
• 881 Depressive Neuroses 0.8950
• 882 Neuroses Except Depressive 0.9952
• 883 Disorders of Personality and Impulse Control 1.7697
• 884 Organic Disturbances and Intellectual Disability 1.6001
• 885 Psychoses 1.3901
• 886 Behavioral and Developmental Disorders 1.8678
• 887 Other Mental Disorder Diagnoses 1.1139