Somatic Cell Count- DMSCC (Cow) - Milk and Dairy

Laboratory Fee Schedule

Procedure:  MZZ0401A

Somatic Cell Count- DMSCC (Cow) - Milk and Dairy

Synonym(s): SCC; DMSCC; Levowitz-Weber Stain
Requisition Form G-84; G-21; G-21 RR
Test Description The Direct Microscopic Somatic Cell Count is the examination of milk to determine the concentration of somatic cells (or leukocytes).  The number of somatic cells in raw milk indicates the extent of mastitis or abnormal milk secretions.  Stained cells are observed microscopically and cells meeting specific criteria are counted.     
Pre-Approval Needed Regulatory
Supplemental Information Required N/A
Supplemental Form(s) N/A  
Performed on Specimens from (sources) Milk
Sample/Specimen Type for Testing

Raw Cow Milk

Minimum Volume/Size Required

100 mL

Storage/Preservation Prior to Shipping
  • Place milk sample in sterile zip-lock or whirlpack bag or other sterile plastic container.
  • Store on ice.  Must be kept between 0.0°C and 4.5°C.
Transport Medium N/A
Specimen Labeling Sample Identification must match submission form.
Shipping and Specimen Handling Requirements
  • Ship samples on Ice and/or Ice Packs.
  • Samples must be shipped for overnight delivery.
  • Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.
Method FORM FDA/NCIMS 2400d Direct Microscopic Somatic Cell Count
Turn-around Time 4 Days


Causes for Rejection Insufficient specimen, not collected by a Registered Sanitarian, improperly stored and/or  failure to meet shipping guidelines
Additional Information N/A