Blood Collection Tube, Light Blue (Citrate), 2.7 mL
Lab & SpecimenEssential, 95% service targetPrimary vendor Meridian Medical Supply, lead 1.5 days, ordered every 7 daysMMS-636191
Stock position
- On hand
- 5,859 each21.8 days of supply
- On order
- 0 eachnothing open
- Forecast rate
- 269.1 each/daynext 30 days
- Demand over 9 days
- 2,449 eachlead time plus review period
- Safety stock
- 648 eachempirical 95th percentile of forecast error
- Reorder point
- 3,097 eachabove
- Stockout
- Tue Oct 6
- Recommended order
- noneby Fri Oct 2
- Inventory value
- $1,172at $0.20 per each
How the forecast was made
Exponential smoothing12% weekly error, under-forecast5% better than naive
A weighted recent average that learns the weekday pattern and any trend. Recent days count more than old ones.
Report card: the model was fit on history up to Tue Jul 21 and scored on the 56 days after. Weekly totals were off by 12% on average (26% day by day), and it under-forecast by 11% overall. A same-weekday-last-week guess would have been off by 13%.
actual forecast, 80% and 95% range what the model said during the report card windoweach/day
Projected on hand, each: today's stock plus open orders on their expected dates, minus the forecast, day by day.
Lots and expiry
Earliest-expiry-first simulation against the forecast. Waste is what remains in a lot on its expiry date.
| Lot | Quantity | Expires | Days | Unit cost | Projected waste |
|---|---|---|---|---|---|
| L00006 | 1,851 | Tue Dec 22 | 99 | $0.20 | 0 each · $0 |
| L00005 | 4,008 | Fri Oct 15 | 396 | $0.20 | 0 each · $0 |
Vendors and prices, last 90 days
| Vendor | Part number | Vendor description | Sells by | Paid per each | Invoices | 90-day spend | Pairing |
|---|---|---|---|---|---|---|---|
| Meridian Medical Supply | MMS-636191 | BLD COLL TUBE LIGHT BLUE CIT 2.7 ML BX/100 | BX of 100 | $0.18 | 14 | $3,504 | stand-in |
| Northwind Health Distribution | NW0881327 | Blood Collection Tube, Light Blue (Citrate), 2.7 mL - 100/Bx | BX of 100 | $0.19 | 13 | $1,408 | stand-in |