Complete Blood Count (CBC) Without Differential

TEST: 028142
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CPT: 85027
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Synonyms

  • Hemogram

Test Includes

Hematocrit; hemoglobin; MCH; MCHC; MCV; RDW; red blood cell count (RBC); platelet count; white blood cell count (WBC)

Expected Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Specimen Requirements

Specimen

Whole blood

Volume

Fill tube to capacity.

Minimum Volume

0.5 mL (500 μL for pediatric microtainer capillary tubes; fill tube to capacity)

Container

Lavender-top (EDTA) tube

Collection

Invert tube 8 to 10 times immediately after tube is filled at the time of collection.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements

Temperature

Period

Room temperature

1 day

Refrigerated

3 days

Frozen

Unstable

Freeze/thaw cycles

Unstable

Causes for Rejection

Hemolysis; tube not filled with minimum fill volume; specimen drawn in any anticoagulant other than EDTA; specimens diluted or contaminated with IV fluid; clotted specimen; improper labeling; transfer tubes with whole blood; lavender-top (EDTA) tubes received with plasma removed

Test Details

Use

Methodology

Automated cell counter

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
028142 CBC, Platelet, No Differential 58410-2 005025 WBC x10E3/uL 6690-2
028142 CBC, Platelet, No Differential 58410-2 005033 RBC x10E6/uL 789-8
028142 CBC, Platelet, No Differential 58410-2 005041 Hemoglobin g/dL 718-7
028142 CBC, Platelet, No Differential 58410-2 005058 Hematocrit % 4544-3
028142 CBC, Platelet, No Differential 58410-2 015065 MCV fL 787-2
028142 CBC, Platelet, No Differential 58410-2 015073 MCH pg 785-6
028142 CBC, Platelet, No Differential 58410-2 015081 MCHC g/dL 786-4
028142 CBC, Platelet, No Differential 58410-2 105007 RDW % 788-0
028142 CBC, Platelet, No Differential 58410-2 015172 Platelets x10E3/uL 777-3
028142 CBC, Platelet, No Differential 58410-2 015945 NRBC % 58413-6

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The LOINC® codes are copyright © 1994-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf