Typical approval duration12 months typical
Common lookback periods for 'currently treated' evidence90 days or 180 days (agent-dependent)
Dynamic PA supply lookbackInsulin use within the past 180 days required for alcohol swabs/insulin supplies
Short-course approvalsLinezolid: 3 months; Posaconazole OPC: 1 month; Sivextro ABSSSI: 6 days
Hemoglobin thresholds for ESA initiationHb <10 g/dL for initiation (varies by indication); stabilized thresholds up to 11–12 g/dL
Osteoporosis thresholds (T-score/FRAX)T-score ≤ -2.5 OR T-score -1.0 to -2.5 plus FRAX major ≥20% or hip ≥3%
Migraine prophylaxis threshold>= 4 migraine headache days per month required for CGRP prophylaxis agents
Arikayce prior therapy requirementFailure to achieve negative sputum cultures after ≥6 consecutive months of standard MAC combination therapy
Pulmonary hemodynamic thresholds (PAH)mPAP >20 mmHg; PCWP ≤15 mmHg; PVR ≥2 Wood units; WHO FC ≥ II
Alpha-1 AAT thresholdPre-treatment AAT <11 micromol/L (80 mg/dL immunodiffusion or 57 mg/dL nephelometry)
Age minimum for armodafinil/modafinil>= 17 years