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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
URIC ACID, RASBURICASE USER |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3218 Geisinger Epic ID: 41921 | |
SPECIMEN COLLECTION |
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Specimen type: |
Plasma or Serum | |
Preferred collection container: |
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Specimen required: |
2 mL of serum or plasma; minimum 0.2 mL. | |
Special notes: |
Place tube directly into an ice slurry. See processing instructions below. | |
Patient preparation: |
None. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection. Specimen must be processed cold. Place specimen on ice. Deliver to testing area and assay immediately. Off-campus lab or non-testing performing site: Specimen should be sent as frozen serum aliquot. Analysis should be done immediately, or as soon as frozen specimen is thawed, and mixed well upon receipt. |
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Transport temperature: |
Frozen. | |
Specimen stability: |
Refrigerated: 7 days. Frozen: 6 months. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
Female: 2.4-5.7 mg/dL; Male: 3.4-7.0 mg/dL | |
CPT code(s): |
84550 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Uric acid. | |
Methodology: |
Spectrophotometric (Colorimetric) |
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Synonyms: |
URICTX
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Clinical significance: |
In patient who has tumor lysis syndrome, rasburicase may be used to manage the elevation of uric acid. Keeping the specimen cold will prevent breakdown of uric acid by rasburicase ex vivo. This allows for more accurate measurement of the uric acid level in vivo. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |
Performing Locations
Geisinger Wyoming Valley Medical Center