Scheme Information Sheets
UK NEQAS for Urine Dipsticks
| Scheme Particulars | Indicative Details |
|---|---|
| Accreditation body | UKAS |
| ISO/IEC Accreditation status | ISO/IEC 17043:2023 |
| UKAS Accredited Proficiency Testing Provider No | 7860 |
| Objective of Scheme | Provides EQA coverage for urine dipsticks across a range of manufacturers and devices, including visual reading or dipstick reader. The reports pictorially represent the colour of the pads on each urine dipstick for ease of interpretation |
| Pre-, Analytical, Post- status | Analytical |
| Number of distributions per year (nominal) | 11 |
| Specimens per distribution | 2 |
| Number of Specimens per annum | 22 |
| Frequency of distribution | Monthly |
| Scoring system | POCT ABC |
| Material distributed | Pooled, liquid human urine with or without exogenous added analyte |
| Programme Director(s) / Organiser(s) | Rachel Marrington |
| Criteria for participation | All, but overseas by courier |
| Nominal sample volume (mL) | 5.5 |
| Sample presentation TACs | All analytes in the same tube |
| Data in Chemistry on-line Dashboard | Yes |
| Analyte | Approx Range | Default Units | Target Value | B Score Limit (%) | C Score Limit (%) |
|---|---|---|---|---|---|
| Ascorbic Acid | low pad – high pad | ~ | ~ | ~ | ~ |
| Bilirubin | low pad – high pad | ~ | ~ | ~ | ~ |
| Glucose | low pad – high pad | ~ | ~ | ~ | ~ |
| haem Blood | low pad – high pad | ~ | ~ | ~ | ~ |
| Ketones | low pad – high pad | ~ | ~ | ~ | ~ |
| Leucocytes | low pad – high pad | ~ | ~ | ~ | ~ |
| Nitrite | low pad – high pad | ~ | ~ | ~ | ~ |
| non-haem Blood | low pad – high pad | ~ | ~ | ~ | ~ |
| pH | low pad – high pad | ~ | ~ | ~ | ~ |
| Protein | low pad – high pad | ~ | ~ | ~ | ~ |
| Specific Gravity | low pad – high pad | ~ | ~ | ~ | ~ |
| Urobilinogen | low pad – high pad | ~ | ~ | ~ | ~ |
| Abbreviation | Expansion |
|---|---|
| ALTM | All Laboratory Trimmed Mean |
| GLTM | Group Laboratory Trimmed Mean – which is the Method Principle Mean |
| MLTM | Method Laboratory Trimmed Mean – usually a manufacturer system / analyser mean |
| XALTM | An external value that may be from a Reference Method System |
| OGLTM | A Method Principle Mean used as the target for all laboratories |
| OMLTM | A specific Method Mean used as a target for all laboratories |
| OMMED | A Method Median used as the target for all laboratories |
| MED | Median |
