CCI REAGENT delivers a qualitative tyrosine screening result in three straightforward steps. No laboratory equipment. No special training. Under five minutes.
Collect a fresh first-morning midstream urine sample in a clean container free from detergent or soap residue. For 48 hours before testing, avoid high-protein foods, tyrosine supplements, and medications that may affect the result — these can cause misleading colour changes.
Remove the CCI REAGENT ampule from its packaging. Using the included pipette, draw approximately 3 mL of urine and add it to the ampule. Handle the ampule with care — it contains acid. Start timing immediately.
After 3–5 minutes, compare the colour of the reaction in the ampule against the 8-shade colour reference scale enclosed in the packaging. Shades 1–3 (white to very pale pink) indicate a negative result. Shades 4–5 (light pink to salmon) indicate mildly elevated tyrosine — consult a physician. Shades 6–8 (mauve to dark red-brown) indicate significantly elevated tyrosine — consult a physician immediately. Do not read the result after 10 minutes — the colour reaction is no longer reliable beyond this point.
Important: Compare the colour of the reaction against the 8-shade colour reference scale enclosed in the packaging. Read the result between 3 and 10 minutes after adding the urine sample. Results read before 3 minutes or after 10 minutes are unreliable and must be discarded. This test provides a screening result only — all results require interpretation by a qualified physician.
Download the complete Instructions for Use (IFU) document with detailed handling, storage, and result interpretation guidance.
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