CELL CNT/DIFF,BODY FLUID

Code
200.5990
Name
CELL CNT/DIFF,BODY FLUID
Category
None
Department
Hematology
Start Date
Expiration Date
Synonyms
Body fluid cell count and differential
CPT Codes
89051
Site
Main Lab
Reference Test
ATLAS Test Code

CCBF

Specimen Information

Type

Lavender, EDTA --------------------------- Acceptable Fluid types: Synovial/Joint Pleural Peritoneal Pericardial

Volume

1.5 mL

Transport Info

Refrigerated 48 hour stability

Fasting Required?
False
Patient Instructions

Indicate fluid type and source on requistion. Portion of specimen MUST be put into a Lavender, EDTA tube, otherwise a clot may form and only a semi-quantitative count will be performed.

Reference Range

See Report

Methodology

Microscopic Examination

Clinical Significance

To check fluids for presence of white blood cells (WBC) and red blood cells (RBC). Abnormal accumulation of serous fluid will occur when conditions that affect capillary hyrostatic pressure, colloidal pressure, or permeability and lymphatic drainage are present. Examples in each of these cases include congestive heart failure, hypoalbuminemia, pneumonia, and carcinoma. Serous fluids for laboratory examination are collected by needle aspiration from body cavities. These aspiration procedures could include thoracentesis (pleural), pericardiacentesis (pericardial), synovial (joint) fluid and paracentesis (peritoneal). Many pathologic conditions can cause a buildup (effusion) of serous fluids. Effusion of serous fluid can be placed into two general categories: transudates and exudates. A transudate disrupts the balance in the regulation of fluid filtration and reabsorption. An example is the changes in hydrostatic pressure created by congestive heart failure. Exudates are produced by conditions that directly involve the membranes of the particular cavity including infections and malignancies. Analysis of body fluid usually includes one or more of the following: cell count, differential, total protein, crystals, pH, specific gravity, glucose, albumin, amylase, sodium, potassium, chloride, LD, creatinine, urea nitrogen, uric acid, routine culture, and cytologic studies. Additional testing may include specialized microbiology cultures for AFB or fungus or testing for the presence of bilirubin. Only those tests that are ordered will be performed.

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