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Geisinger Medical Laboratories Test Catalog
HGB |
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Geisinger Epic Procedure Code: LAB2461
Geisinger Epic ID: 14465
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SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | ||||||||||||||||||||||||||||||||||||
Preferred collection container: |
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Alternate Collection Container: |
Lavender-top (K2 EDTA) microcollection tube
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Specimen required: |
3 mL lavender-top (K2 EDTA) tube collected MUST be properly filled to at least 1.5 mL (half the fill volume of the tube). Lavender-top (K2 EDTA) microcollection tube MUST be properly filled to at least 250 uL (half the fill volume of the tube). |
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| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Do NOT centrifuge. | ||||||||||||||||||||||||||||||||||||
Transport temperature: |
Refrigerated (preferred) or room temperature. | ||||||||||||||||||||||||||||||||||||
Specimen stability: |
Refrigerated: 72 hours. Room temperature: 24 hours. | ||||||||||||||||||||||||||||||||||||
Rejection criteria: |
Frozen, clotted, hemolyzed, overfilled, underfilled or centrifuged samples. Samples beyond stability limits. | ||||||||||||||||||||||||||||||||||||
TEST DETAILS |
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Reference interval: |
Pediatric ranges from Nathan and Oski's "Hematology of Infancy and Childhood, 7th edition." |
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Critical values/courtesy alerts: |
HGB > 30 days <=6.0 and >= 20.0 gm/dL 0-6 days <=7.0 and >22.5 gm/dL 7-13 days <=7.0 and >21.5 gm/dL 14-30 days <=7.0 and >20.5 gm/dL |
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Additional information: |
Potential related available add on testing includes:
CBC with WBC differential (LAB1963),
CBC(LAB1961),
HCT (LAB2400),
PLT (LAB2863);
reticulocyte panel (LAB3006);
blood smear interpretation by pathologist (LAB2832);
immature platelet fraction (LAB2524) can only be added if sample is collected at testing laboratory;
See individual test requirements. |
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CPT code(s): |
85018 | ||||||||||||||||||||||||||||||||||||
| 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: |
HGB | ||||||||||||||||||||||||||||||||||||
Methodology: |
Sodium lauryl sulfate |
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Synonyms: |
HGB, HG, Hemoglobin
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Clinical significance: |
This test, normally ordered as part of the complete blood count (CBC), is used to measure the severity of anemia or polycythemia, monitor the response to treatment of anemia or polycythemia, and to help make decisions about tranfusions if anemia is severe. | ||||||||||||||||||||||||||||||||||||
Doctoral Director(s:) |
Mary Dhesi MD | ||||||||||||||||||||||||||||||||||||
| Review Date: | 02/03/2023 | ||||||||||||||||||||||||||||||||||||
Performing Locations
Geisinger Wyoming Valley Medical Center
Geisinger Shamokin Area Community Hospital
Geisinger Community Medical Center