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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