Test Code 8869 Culture (Sputum)
Purpose
To identify respiratory pathogens, especially in cases of pneumonia.
Performing Laboratory
Copley Hospital
Methodology
Conventional Culture Technique
Specimen Requirements
Specimen Type: Expectorated Sputum
Container/Tube: Sterile Plastic Container
Specimen Volume: 5 mL
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Collect under direct supervision of nurse or physician.
2. Have patient remove dentures, if appropriate.
3. Instruct patient to take a deep breath, hold it momentarily,
then cough deeply and vigorously into container, and
collect expectorated material.
4. Label specimen with patient’s full name, date of birth,
date & time of collection, and person collecting.
5. Transport specimen at room temperature.
Specimen Type: Induced Sputum
Container/Tube: Sterile Plastic Container
Specimen Volume: 5 mL
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Have patient remove dentures, if appropriate.
2. Instruct patient to brush his/her teeth and/or
rinse mouth well with water.
3. With the aid of a nebulizer, have patient inhale
approximately 25 mL of 3% to 10% sterile saline.
4. Collect expectorated material in container.
5. Label specimen with patient’s full name, date of birth,
date & time of collection, and person collecting.
6. Transport specimen at room temperature.
Reference Values
Normal: Alpha-Hemolytic Streptococci
Neisseria Sp. (other than meningococcus and gonococcus)
Gamma Streptococci diphtheroids
Micrococcus
Staph Coagulase-Negative
Critical: Beta-Hemolytic Streptococci
Haemophilus Sp.
Staph. Coagulase-Positive
Pseudomonas Sp.
Strep. pneumoniae
Other Gram-Negative Rods
Yeast/Fungi (If >/= 70% of Flora)
Neisseria meningitidis
Neisseria gonorrhoeae
Moraxella (Branhamella) catarrhalis
Stability
Room Temperature: 24 Hours
Day(s) Performed
Daily
Analytical Time: 3 Days
Aliases
Sputum
Throat
Culture
Test Classification & CPT Coding
87070 - Culture
87205 - Gram Stain