Rh Phenotype
Test code
CPT code(s)*
Test resources
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Details
Includes
D Antigen
Du Variant
Big C Antigen
Big E Antigen
Little c Antigen
Little e Antigen
Methodology
Immune Agglutination
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 5 mL whole blood collected in an EDTA (pink-top) tube |
| Alternative specimen(s) | ACD (yellow-top) tube • Red-top tube (unspun no gel) • Cord blood • EDTA (lavender-top) tube |
| Minimum volume | 5 mL |
| Collection instructions | If submitting with a CBC, HbA1c, or any other test requiring an EDTA (lavender-top) tube, please submit a separate tube for this test |
| Transport container | EDTA (pink-top) tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 24 hours Refrigerated: 7 days Frozen: Unacceptable |
| Reject criteria | Gross hemolysis • Serum separator tube (SST) • Spun red-top tube (no gel) |
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.
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