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Test ID 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

Method Name

Sequence Capture and Targeted Next-Generation Sequencing followed by Polymerase Chain Reaction (PCR) and Sanger Sequencing

Reporting Name

PRKAR1A Full Gene Analysis

Specimen Type

Varies

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reference Values

An interpretive report will be provided.

Day(s) Performed

Varies

Report Available

28 to 42 days

Performing 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

Prior Authorization

Insurance preauthorization is available for this testing; forms are available.

 

Patient financial assistance may be available to those who qualify. Patients who receive a bill from Mayo Clinic Laboratories will receive information on eligibility and how to apply.