White Blood Cell Count - NorDx Test Catalog

Additional Codes

Software	Test Code
Label Text	WBCI
EPIC	LAB299

Performing Laboratory

NorDx Laboratories

Useful For

Useful indicator for possible infection, inflammation, or white blood cell abnormalities

Method Name

Impedance

Reference Values

Males:
1 - 3 days: 7.56 - 21.26 thou/µL
4 - 7 days: 7.54 - 14.91 thou/µL
8 - 14 days: 7.80 - 17.07 thou/µL
15 - 30 days: 6.54 - 15.44 thou/µL
31 - 60 days: 5.85 - 14.49 thou/µL
61 - 180 days: 4.40 - 14.77 thou/µL
6 months - < 2 years: 3.74 - 14.67 thou/µL
2 - < 6 years: 3.97 - 13.45 thou/µL
6 - < 12 years: 3.44 - 12.71 thou/µL
12 - < 18 years: 3.13 - 12.43 thou/µL
≥ 18 years: 3.60 - 11.82 thou/µL

Females:
1 - 3 days: 7.97 - 23.17 thou/µL
4 - 7 days: 7.93 - 17.11 thou/µL
8 - 14 days: 8.00 - 16.82 thou/µL
15 - 30 days: 6.59 - 15.58 thou/µL
31 - 60 days: 6.52 - 14.75 thou/µL
61 - 180 days: 5.51 - 14.63 thou/µL
6 months - < 2 years: 4.76 - 14.43 thou/µL
2 - < 6 years: 4.19 - 13.63 thou/µL
6 - < 12 years: 3.75 - 13.09 thou/µL
12 - < 18 years: 3.78 - 12.06 thou/µL
≥ 18 years: 3.71 - 12.66 thou/µL

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Available Stat

Specimen Type

Whole Blood

Preferred Container

Lavendar top tube 13×75 mm 4.0 mL (EDTA)

Lavendar top tube 13×75 mm pediatric (EDTA)

Preferred Volume

Whole Blood: 0.5 mL (EDTA Microtainer®) – Use of minimum volumes may not support repeat testing if required

Whole Blood: 4 mL (Lavendar top tube 13×75 mm 4.0 mL (EDTA))

Whole Blood: 2 mL (Lavendar top tube 13×75 mm pediatric (EDTA))

Minimum Volume

Whole Blood: 0.25 mL (EDTA Microtainer®)

Whole Blood: 1 mL (Lavendar top tube 13×75 mm 4.0 mL (EDTA))

Whole Blood: 1 mL (Lavendar top tube 13×75 mm pediatric (EDTA))

Specimen Collection and Handling

Mix sample well after draw and send refrigerated.

Specimen Stability Information

Specimen Type: Whole Blood

Refrigerated: 36 Hours

Add On Capable

Yes

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code	CPT Description	CPT Disclaimer
85048	Automated White Blood Cell Count

Performing Laboratory Location