A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Alias: CBC, CBC with Diff, Differential, Complete
Performed: 24 hrs.
Turn Around Time: Med Emerg: 60 minutes; Routine: 4 hrs
CPT Codes: 85025
Performed By: Hematology
Notes: Testing is also performed in the Rapid Response Lab
Clinical Utility:
If a blood smear is necessary, it should be made and processed within 8 hours of collection for optimum results.
Characteristics that may affect test results: improper specimen collection technique, lipemia, icterus, hemolysis, cold agglutinins, and platelet clumps.
Link:
CBC and Differential Reference Ranges with Transgender Ranges
Unacceptable Conditions:
• Those containing clots
• Substandard mixing or collection
• Expired or improperly stored collection tubes
• Improperly filled tubes based on collection tube manufacturer’s guidelines
• Specimens contaminated with IV fluid
• Hemolyzed
• Improperly labeled
Components
| Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
| WBC |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| RBC |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| Hemoglobin |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| Hematocrit |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| MCH |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| MCHC |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| MCV |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| RDW-CV |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| MPV |
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See above link to CBC Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| Platelet |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| NRBC Pct |
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See above link to CBC and Differential Reference Ranges with Transgender Ranges document to view reference range values and units of measure for all components of the CBC. |
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| RBC Morphology - Reflex test (Performed on CBC w Differential Orders Only. Performed on samples meeting laboratory approved criteria) |
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| Manual Differential - Reflex Test (Performed on CBC w Differential Orders Only. Performed on samples meeting laboratory approved criteria) |
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| Path Referral, BLD - Reflex Test (Performed on samples meeting laboratory approved criteria) |
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Specimen Requirements
| Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
| Blood |
Lavender EDTA(K2), 4mL |
|
|
Fill Tube to mark. Send to lab within 24 hours of collection. |
Room Temperature |
Send refrigerated to lab within 48 hours of collection. |
| Blood |
Lavender EDTA (K2), 0.5mL |
Must have 0.5 mL volume in lavender 0.5mL BD Microtainer MAP tube. |
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Lavender 4 mL is the preferred specimen when possible. |
Room Temperature |
Send to lab within 12 hours of collection. |