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Epic Code LAB815 Differential, Manual, Blood (Lab Only Orderable)

Important Note

This cannot be ordered alone. This must be ordered with a CBC or added onto a CBC specimen already in lab.

Test Name Alias

Manual Differential. | 8175

Interface Order Alias

10515

Ordering Instructions

This cannot be ordered alone. This must be ordered with a CBC or added onto a CBC specimen already in lab.

Collection Instructions

Specimen Collection: Blood

 

Container(s): Lavender top (EDTA)

Preferred Volume to Collect: 3.0 mL

Minimum Volume to Collect: 0.5 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.

  • Specimen must be received within 8 hours of collection if ambient, 24 hours if refrigerated.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Whole Blood EDTA
  • Centrifuge/Spin: No
  • Aliquot: No
  • Transport Temperature: Refrigerated (preferred) or Ambient (acceptable)

Rejection Criteria

  • Frozen specimens
  • Clotted specimens

Specimen Stability

Ambient: 8 hours 

Refrigerated (Preferred): 24 hours

Note: Cellular characteristics required for differential analysis become compromised in specimens greater than stated specimen stability due to degradation of cells

Laboratory Retention: 72 hours

United Laboratory Retention: 7 days

 

Reflex Information

Link: Reflex Testing Offered

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

Segmented Neurtrophils Manual
0 Minutes up to 1 Months: 25 - 64%
1 Months up to 3 Years: 19 - 45%
3 Years up to 9 Years: 30 - 64%
9 Years up to 13 Years:35 - 70%
13 Years up to Unspecified: 35 - 80 %

 

Lymphocytes Manual
0 Minutes up to 1 Months: 30 – 66 %
1 Months up to 3 Years: 42 – 75 %
3 Years up to 9 Years: 30 – 66 %
9 Years up to 13 Years: 25 – 50 %
13 Years up to 150 Years: 20 – 50 %

 

Monocytes Manual: 2 – 12 %

 

Eosinophils Manual:  0 – 6 %

 

Basosphilis Manual: 0 – 2 %

 

The pediatric data is summarized/complied from the literature.

Performing Department

Hematology

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Corewell Health Big Rapids Laboratory (SHBR), Big Rapids, MI
Corewell Health Blodgett Laboratory (BIRL), Grand Rapids, MI
Corewell Health Gerber Laboratory (SHGH), Fremont, MI
Corewell Health Kelsey Laboratory (SHKH), Lakeview, MI

Corewell Health Pennock Laboratory (SHP), Hastings, MI
Corewell Health Reed City Laboratory (SHRC), Reed City, MI
Corewell Health Greenville Laboratory (), Greenville, MI
Corewell Health Zeeland Community Laboratory (SHZCH), Zeeland, MI

Methodology

Microscopy

CPT

85007
85060 (if clinical findings indicate)

CDM Code

3058500701

Epic Test ID

1230100917

Reviewed Date

3/17/2023