CAI
Clinical Asset Index
by VOS Supply Group
Drugs · acquisition-cost intelligence

Diclofenac Sodium Delayed Release

Diclofenac Sodium· ingredient diclofenacAcetic acid derivatives and related substances· DICLOFENAC SODIUM 25 mg/1; DICLOFENAC SODIUM 50 mg/1; DICLOFENAC SODIUM 75 mg/1
What this is. Acquisition-cost intelligence for pharmacy & clinic buyers — the historical trend, generic-equivalent costs, and Part D posture. NADAC is a pharmacy acquisition cost (the national average pharmacies pay), not a retail or cash price — for consumer cash prices use GoodRx/your plan.
Acquisition benchmark · NADAC per EA
$0.72051
NADAC — pharmacy acquisition cost, not a retail/cash price

Acquisition-cost history

Weekly NADAC per EA — the trend nobody else shows. 7 weeks.

2025-12-172026-05-27

Same-ingredient options by acquisition cost

Other diclofenac products, cheapest acquisition cost first. Per EA — confirm strength/form equivalence before switching.

ProductNADAC / EAvs this
Diclofenac Sodium Delayed Release$0.06665−$0.65390
Diclofenac DR$0.06665−$0.65390
Aleve Arthritis Pain Gel$0.08776−$0.63270
Diclofenac Potassium$0.09863−$0.62190
Clofenax$0.12486−$0.59570
Diclofenac Sodium$0.36949−$0.35100
Diclofenac Sodium$0.39681−$0.32370
Diclofenac Sodium ER$0.73145+$0.01090

Medicare Part D coverage · CY2026

On 324 plan formularies · typical tier 2
Prior auth 0% · Step therapy 0% · Quantity limit 25% of formularies

Sources: CMS NADAC (pharmacy acquisition cost), FDA NDC + RxNorm (identity), RxClass (therapeutic class), CMS Medicare Part D formulary (coverage). Observed reference data for professional buyers — not a retail/cash price, not pricing or medical advice. Verify before purchasing or substituting.