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Test Code Lab13 (Sputum) Cytology, Sputum

Methodology

Papanicolaou Stain

Includes monolayer smear preparation by ThinPrep method.

Used to aid in the diagnosis of certain non-neoplastic or
inflammatory conditions. Special stains are performed, if
indicated.

Performing Laboratory

Bronson Laboratory Services-Cytology

Specimen Requirements

Specimen Type: Sputum; first-morning,
expectorated

Container/Tube: Clean, wide mouth,
leakproof container with equal or more amount of CytoLyt
fixative

Specimen Volume: A minimum of 3
mL

Collection Instructions: 

1. Instruct patient, upon awakening and before eating, to cough
deeply from diaphragm and expectorate deep sputum and not
saliva.

2. Label container with patient’s full name, date of
birth, date of collection, and source of specimen.

3. Send specimen with completed requisition to the laboratory
immediately at ambient temperature. If not fixed in CytoLyt
solution, send specimen refrigerated.

Additional Information: Causes for
rejection include inadequate specimen identification or prior
fixation in alcohol or formalin.

Forms: Pathology requisition; include
patient’s full name, date of birth, specimen source, date of
service, and pertinent clinical history. Also, indicate request to
evaluate for Pneumocystis carinii or fungal disease.

Specimen Transport Temperature

Ambient-CytoLyte solution

Refrigerate-Unfixed specimen

Reference Values

Absence or presence of malignant cells; abnormal cells related
to certain non-neoplastic conditions

Day(s) Test Set Up

Monday through Friday