Urinalysis Strips Guide
What urinalysis strips are
Urinalysis strips, also called reagent strips or dipsticks, are strips that change colour in response to substances in urine. A strip carries a series of pads, each of which reacts with a different substance, and the resulting colours are compared with a reference chart or read by an analyzer. Urinalysis strips are used both as standalone visual tests and together with urine analyzers, which read the strips automatically.
The company's range covers urine test strips as a category and urine analyzers as instruments, with the URA-102 analyzer carrying a specification page on this site. The strip and analyzer sides of urinalysis are covered on separate category pages, because the pairing between a strip and an analyzer is a question that must be confirmed for the specific combination.
Parameters commonly covered, in general terms
In general terms, urinalysis strips may cover parameters such as leukocytes, nitrite, urobilinogen, protein, pH, blood, specific gravity, vitamin C, bilirubin, glucose, microalbumin, creatinine and calcium. Those parameter names are general knowledge about what urinalysis strips can cover; they are not a specification for any strip sold here, and the parameter set of any specific strip must be confirmed in writing for that strip.
The URA-102 analyzer's listed parameters include LEU, NIT, URO, PRO, PH, BLD, SG, VC, KET, BIL, GLU, MALB, CRE and CAL. Those are the analyzer's listed parameters, published on its specification page. A buyer sourcing strips for use with URA-102 should name both the strip and the analyzer in the inquiry and ask for the combination to be confirmed in writing, because a strip's parameter set and an analyzer's parameter set must match for the combination to be usable.
Visual reading versus analyzer reading
Urine strips can be read visually, by comparing pad colours with a chart, or by an analyzer, which reads the pads and reports results. An analyzer reads strip pads instrumentally rather than relying on the user's visual colour comparison. For URA-102 specifically, the listed specification includes storage for 1000 test results, and the listed highlights include a built-in thermal printer. Confirm other analyzers' functions separately in writing. Visual reading needs no instrument but depends on the reader's colour judgement and on lighting conditions.
Request written confirmation of storage conditions, shelf life and packing for the specific strip and order. The company's FAQ states that prices vary with supply and market factors, that international orders are subject to an ongoing minimum order requirement with no fixed figure published, that samples take about 7 days, and that mass production takes 20–30 days after deposit. Certificates are available upon request. Urinalysis results are screening information; questions about a result belong with a healthcare professional.
How urinalysis strips are used in practice
Urinalysis strips are used in clinics, in community screening and in home settings, in two main ways: as a standalone visual test, where pad colours are compared with a chart, and as an analyzer test, where an instrument reads the pads and reports results. The standalone route needs no instrument and suits low-volume or remote settings. The analyzer route suits higher volumes and settings where stored results and printed reports matter.
The choice between the two routes depends on volume, on staffing, and on whether stored results are needed. A clinic running dozens of urinalysis tests a day will usually prefer an analyzer, while a home user or a small practice may prefer visual strips. A buyer serving both kinds of customer should stock both routes rather than assuming one fits all.
Common reading mistakes with urine strips
The most common reading mistake with urine strips is reading pad colours outside the stated time window, because pad colours continue to change after the reaction completes. The second is poor lighting, which distorts colour comparison in visual reading and is one reason analyzer reading is preferred where consistency matters. The third is using strips that have been stored badly or past their shelf life, which degrades the reagents and changes the colours.
Buyers supplying urine strips should request written confirmation of storage conditions, shelf life and reading instructions for the specific strip, and that the instructions supplied with their strips state the reading window clearly in the languages of their markets.
Questions buyers should ask about any urine strip
Before ordering any urine strip, a buyer should be able to answer five questions in writing for the specific product. First, which parameters does the strip cover, named exactly? Second, is the strip read visually, by an analyzer, or both, and if by an analyzer, which analyzer and has the pairing been confirmed? Third, what are the storage conditions and shelf life for the strip? Fourth, what are the packing configurations, instruction languages, pricing and lead time for the order? Fifth, what documentation accompanies the strip for the destination market?
Those five questions cover the product, its reading, its storage and its commercial terms. The second question matters most for urinalysis, because a strip and an analyzer must match in parameter set for the combination to be usable, and that match should be confirmed naming both products in the same inquiry. Samples, at about 7 days under the FAQ, let a buyer check the strips and their packing before committing to a quantity.
Urinalysis results are screening information. Questions about a result belong with a healthcare professional, and this guide is written for trade buyers comparing products, not as medical guidance for individuals.
Urinalysis in screening programmes
Urinalysis is used in screening programmes for diabetes, kidney disease and urinary tract conditions, as well as in general health checks. In those programmes a urine strip is often the first step, with abnormal results followed by laboratory testing for confirmation and quantification. That two-step pattern — strip screening followed by laboratory confirmation — is the same pattern used in drug screening and in infectious disease screening, and it reflects the same principle: a rapid test screens, and a laboratory test confirms.
For trade buyers serving screening programmes, the implication is that urine strips should be quoted together with their follow-up pathway, not as standalone answers. A programme that cannot follow up an abnormal strip result has limited use for the strip, whatever its quality. Buyers should therefore ask programme customers about follow-up arrangements as part of the ordering conversation, not after delivery.
Strip storage and handling in practice
Urine strips are sensitive to moisture, heat and light, which is why storage conditions are part of every strip order rather than a detail to discover later. A container left open in a humid setting can degrade strips before their stated shelf life, and a batch stored outside its specified conditions cannot be relied on even if it is within date. Buyers should confirm storage conditions and shelf life in writing for the specific strip, and should pass those conditions on to every downstream handler, because a strip's reliability depends on its whole storage history, not only on its manufacture.