F48.9 Nonpsychotic mental disorder, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Neurosis NOS

MS-DRG index

Defines the logic of DRG(s) 880 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 300.9 Unspecified nonpsychotic mental disorder (approximate)
• V40.2 Other mental problems (approximate)
• V40.9 Unspecified mental or behavioral problem (approximate)

Code annotations containing back-references to F48.9

Back-references to F48

• Type 2 Excludes: F93.0 Separation anxiety disorder of childhood ("nonpsychotic mental disorders (F40-F48)")

Diagnosis Index entries for F48.9

• Disorder (of) › neurotic
• Neurosis, neurotic
• Neurosis, neurotic › state
• Problem (with) (related to) › mental
• Reaction › neurotic
• State (of) › neurotic
• State (of) › tension (mental)
• Tension › state (mental)
• Upset › mental

Nearby codes

• F48 Other nonpsychotic mental disorders
• F48.1 Depersonalization-derealization syndrome
• F48.2 Pseudobulbar affect
• F48.8 Other specified nonpsychotic mental disorders
• F48.9 Nonpsychotic mental disorder, unspecified (this code)