17-Hydroxycorticosteroids, Urine 17COR
| Method(s) | Quantitative Colorimetry | |||||||||||||||||||||||||||||||
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| Specimen Required | ||||||||||||||||||||||||||||||||
| Collect | 24-hour urine. Sample must be refrigerated during collection. | |||||||||||||||||||||||||||||||
| Transport | 12 mL aliquot from a well-mixed 24-hour collection, frozen. (Min: 8 mL) |
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| Remarks | Samples refrigerated with preservatives are acceptable. Mix well, add 1 g boric acid/100 mL urine, adjust pH (with boric acid) to 5.0-7.0 and freeze. Record total volume, collection time, and pH on transport tube and test request form. | |||||||||||||||||||||||||||||||
| Stability | Ambient: 4 hours with preservative; Refrigerated: 1 week with preservative; Frozen: 1 month | |||||||||||||||||||||||||||||||
| Unacceptable Conditions | Alkali preservatives (e.g. Specimens previously preserved with NaOH). |
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| Schedule | Wed, Sat | |||||||||||||||||||||||||||||||
| Billing Code | 5010070 | |||||||||||||||||||||||||||||||
| CPTCode | 83491 | |||||||||||||||||||||||||||||||
| Notes | Random urines are acceptable, but are reported as mg/L and have no reference interval. |
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| Preferred Specimen Collection Device(s) | ||||||||||||||||||||||||||||||||
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