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Test Catalog
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Nephrogenic Diabetes Insipidus Evaluation |
#854 |
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| Type of Disorder: |
Kidney Disorders, Diabetes |
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| Typical Presentation: |
Polyuria and polydipsia |
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| Indications for Testing: |
Severe polyuria and polydipsia in male infants or children, family history of nephrogenic diabetes insipidus |
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| Disease(s) tested for: |
Nephrogenic Diabetes Insipidus |
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| Test Details |
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| Test Code: |
854 |
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| Profile includes: |
AQP2 (Nephrogenic Diabetes Insipidus) DNA Sequencing Test, AVPR2 (Nephrogenic Diabetes Insipidus) DNA Sequencing Test
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
Yes |
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| Technical Information |
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| Utility: |
Detects mutations (including point mutations, deletions, insertions, and rearrangements) in the coding sequences of AVPR2 and AQP2 |
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| Methodology: |
Polymerase Chain Reaction (PCR), DNA sequencing of entire protein coding region of gene |
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| Reference Value: |
No mutation detected |
| CPT Coding |
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The CPT codes provided are based on AMA guidelines
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.
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| Stacked CPT Code(s): |
83891(1), 83898(9), 83909(1), 83904(9), 83912(1)
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| Shipping Considerations |
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| Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form. |
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| Preferred Specimen Requirements |
| Type: |
Whole blood |
| Minimum Volume: |
10 mL (pediatric minimum: 2 mL) |
| Collection Tube: |
Lavender top (EDTA) or yellow top (ACD-A) |
| Stability: |
Hemolysis may compromise DNA recovery and integrity after 48 hours |
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| Storage Conditions: |
For short periods (until shipped) at 4?C |
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| Shipping Conditions: |
Overnight at room temperature (specimen arrival must be less than 24 hours after collection); ship Monday through Thursday only. |
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| Test Turnaround: |
2 - 8 weeks |
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