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HelpTest Code PRKSG PRKAR1A Full Gene Sequencing with Deletion/Duplication, Varies
Ordering Guidance
Testing for the PRKAR1A gene as part of a customized panel is available. For more information CGPH / Custom Gene Panel, Hereditary, Next-Generation Sequencing, Varies.
Targeted testing for familial variants (also called site-specific or known mutations testing) is available for variants identified in the PRKAR1A gene. See FMTT / Familial Variant, Targeted Testing, Varies. To obtain more information about this testing option, call 800-533-1710.
Shipping Instructions
Specimen preferred to arrive within 96 hours of collection.
Necessary Information
Prior Authorization is available, but not required, for this test. If proceeding with the prior authorization process, submit the required form with the specimen.
Specimen Required
Patient Preparation: A previous bone marrow transplant from an allogenic donor will interfere with testing. Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant.
Specimen Type: Whole blood
Container/Tube:
Preferred: Lavender top (EDTA) or yellow top (ACD)
Acceptable: Any anticoagulant
Specimen Volume: 3 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send whole blood specimen in original tube. Do not aliquot.
Specimen Stability Information: Ambient (preferred)/Refrigerated
Forms
1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available:
-Informed Consent for Genetic Testing (T576)
-Informed Consent for Genetic Testing (Spanish) (T826)
2. PRKAR1A-Related Disorders Patient Information (T820)
3. PRKAR1A Full Gene Analysis (PRKSG) Prior Authorization Ordering Instructions
4. If not ordering electronically, complete, print, and send a Cardiovascular Test Request (T724) with the specimen.
Useful For
Providing a genetic evaluation for patients with a personal or family history suggestive of Carney Complex (CNC) or acrodysostosis-1 with hormone resistance
Establishing a diagnosis of CNC or acrodysostosis-1 with hormone resistance
Special Instructions
Method Name
Sequence Capture and Targeted Next-Generation Sequencing followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing
Reporting Name
PRKAR1A Full Gene AnalysisSpecimen Type
VariesSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Varies | ||
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
An interpretive report will be provided.
Interpretation
All detected variants are evaluated according to American College of Medical Genetics and Genomics recommendations.(6) Variants are classified based on known, predicted, or possible pathogenicity and reported with interpretive comments detailing their potential or known significance.
Day(s) Performed
Varies
Report Available
28 to 42 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
81479
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PRKSG | PRKAR1A Full Gene Analysis | 94214-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 617436 | Test Description | 62364-5 |
| 617437 | Specimen | 31208-2 |
| 617438 | Source | 31208-2 |
| 617439 | Result Summary | 50397-9 |
| 617440 | Result | 82939-0 |
| 617441 | Interpretation | 69047-9 |
| 617442 | Additional Results | 82939-0 |
| 617443 | Resources | 99622-3 |
| 617444 | Additional Information | 48767-8 |
| 617445 | Method | 85069-3 |
| 617446 | Genes Analyzed | 48018-6 |
| 617447 | Disclaimer | 62364-5 |
| 617448 | Released By | 18771-6 |