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2010673
CALR (Calreticulin) Exon 9 Mutation Analysis by PCR
CALR
Ordering Recommendation
Use for diagnostic and prognostic information in patients with myeloproliferative neoplasms (MPNs) when JAK2 testing is negative.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Whole blood or bone marrow in lavender (EDTA).
Specimen Preparation
Whole Blood: Do not freeze. Transport 5 mL whole blood. (Min: 1 mL)
Bone Marrow: Do not freeze. Transport 3 mL bone marrow. (Min: 1 mL)
Storage/Transport Temperature
Refrigerated
Unacceptable Conditions
Plasma, serum, FFPE tissue blocks/slides, or frozen tissue. Specimens collected in anticoagulants other than EDTA. Clotted or grossly hemolyzed specimens.
Remarks
Stability
Refrigerated: 7 days; Frozen: Unacceptable
Methodology
Capillary Electrophoresis
Performed
Varies
Reported
2-9 days
Reference Interval
Interpretive Data
Refer to report.
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
81219
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2010675 | CALR Exon 9 Mutation Analysis - Result | 35474-6 |
| 3016756 | CALR, Source | 31208-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- CALR
- ET
- JAK2-negative myeloproliferative neoplasm
- MPD
- MPL
- MPN
- Myeloproliferative disorders
- PMF
CALR (Calreticulin) Exon 9 Mutation Analysis by PCR
