Refractometry
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL body fluid collected in a sterile leak-proof container |
| Minimum volume | 0.5 mL |
| Collection instructions | Do not centrifuge samples. Submit specimen in sterile leak-proof container, refrigerated (cold packs). Refrigerate at 2-8° C and send to lab on refrigerated coolant, or freeze at -20° C or lower and send frozen samples on dry ice. |
| Transport container | Sterile leak-proof container |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Room temperature: Unacceptable Refrigerated: 7 days Frozen: 7 days |
| Reject criteria | Gross hemolysis • Lipemia • Clotted • Mucoid |
The Result and LOINC® information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.
NOTE: The codes listed in the table are not orderable Test Codes
Result code | Result name | LOINC code | Component name |
|---|---|---|---|
| 30084900 | SPECIFIC GRAVITY, BODY FLUID | 35414-2 | Observation |
| Quest Diagnostics Nichols Institute-Chantilly VA |
| 14225 Newbrook Drive |
| Chantilly, VA 20151-2228 |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.