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ICD-10 F16.91

Hallucinogen use, unspecified, in remission

ICD10 F16.91 Mental, behavioral and neurodevelopmental disorders

Description

Hallucinogen use, unspecified, in remission

Common Specialties

Emergency Medicine

Documentation Requirements

  • Document clinical indications and clear medical necessity supporting the encounter or procedure.
  • Ensure complete provider signatures, credentials, date, and specific place of service (POS).
  • Verify documentation strictly supports code specificity to prevent downcoding or claim denials.

Billing & Coding Tips

  • Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
  • Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
  • Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.

Related Codes

F16 F16.1 F16.10 F16.11 F16.12 F16.120 F16.121 F16.122 F16.129 F16.14 F16.15 F16.150 F16.151 F16.159 F16.18

Quantum Health Services provides full-cycle revenue cycle management and medical billing services nationwide. This code reference is for educational purposes; always verify official payer policies. CPT© descriptors require proper AMA licensing.