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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Source | Blood | |
| Mnemonic | CARO | |
| Specimen Requirements | 1 x 3.5 mL gold top SST tube 0.5 mL serum Protect from light by wrapping tubes in foil immediately after collection. Specimens not protected from light will be rejected. | |
| Specimen Handling | PSC & RRL: Centrifuge and pour off serum. Protect from light by using amber aliquot tube and lid, or wrap tubes in foil. Transport serum on ice to DSC. Extra-regional: Centrifuge and pour off serum. Protect from light by using amber aliquot tube and lid, or wrap tubes in foil. Freeze serum before transporting to DSC. DSC: Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw. | |
| Additional Information | Patient must be fasting (>10 hours) with no alcohol or nutritional supplements within 24 hours. | |
| Testing Location | Analytical Toxicology | |
| Testing Frequency | Monthly | |
| Alternate Name(s) | Carotene | |
| Reference Interval | 0.19 - 1.58 mmol/L |