EPIC Code

LAB955

 

Performing Lab

UCH Clinical Laboratory - Microbiology

Collect

Preserved stool sample in Formalin and Zinc PVA. (Kits available through Lawson)

10 mL or more of fresh stool sample in plastic container. 

If Pinworm is suspected, refer to PINWORM PREP LAB248. 

Requests for O&P exam from non-stool specimens require special arrangements with the Microbiology Lab and Medical Director approval. 

Pediatric Collection

If less than 10 mL stool is received, a complete exam may not be possible.

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume; sample not preserved within 1 hour; dried-out specimen; specimen soaked into diaper or tissue paper; specimens containing interfering substances (castor oil, bismuth, barium, mineral oil, iron, magnesium); specimens contaminated with urine; more than one specimen on inpatients hospitalized for more than 3 days.

Storage/Transport Temperature

Internal: Deliver to lab immediately.

Offsite: Preserve specimen within 1 hour of collection. Send at ambient temperature.

Performed

Mon - Fri dayshift

Stability (from collection to initiation)

Fresh, unpreserved stool - Ambient: 1 hour.

Preserved stool - Ambient: Indefinitely.

Remarks

Order GI PCR PANEL PLUS (Multiplex Film Array Assay) for first-line parasitic testing. For patients with prior residence in endemic countries, consider ordering a full ova and parasite exam in addition to GI PCR PANEL PLUS testing.

Order OP if any of the following patient conditions exists:

  1. OPSCREEN or GI PCR PANEL PLUS is negative and patient has persistent diarrhea.
  2. Exposure as part of an outbreak, chronic institutional care or daycare. 
  3. Previous residence in an endemic area for GI parasites. 
  4. Immunocompromised. 
  5. Systemic eosinophilia.

OPSCREEN will be performed unless one of the above conditions exists.

One specimen will detect greater than 90% of parasites.

Only one stool will be tested on inpatients hospitalized greater than 3 days. 

One specimen will be accepted per out-patient every 48 hours with up to 3 samples per week. 

Specimens obtained with a warm saline enema or Fleet -Phospho-Soda are acceptable. 

Wait 1 week or more after barium procedures or barium laxatives before collecting stool for exam. 

Performed

Mon - Fri dayshift

Methodology

Direct wet mounts, concentration procedure, trichrome smear, Cyclospora and Isospora acid-fast smear and Giardia/Cryptosporidium antigen test.

Reported

Next day

Synonyms

  • LAB955

EPIC Code

LAB955

 

CPT Codes

87177

Collection

EPIC Code

LAB955

 

Performing Lab

UCH Clinical Laboratory - Microbiology

Collect

Preserved stool sample in Formalin and Zinc PVA. (Kits available through Lawson)

10 mL or more of fresh stool sample in plastic container. 

If Pinworm is suspected, refer to PINWORM PREP LAB248. 

Requests for O&P exam from non-stool specimens require special arrangements with the Microbiology Lab and Medical Director approval. 

Pediatric Collection

If less than 10 mL stool is received, a complete exam may not be possible.

Unacceptable Conditions

Sample not properly identified; incorrect container; insufficient sample volume; sample not preserved within 1 hour; dried-out specimen; specimen soaked into diaper or tissue paper; specimens containing interfering substances (castor oil, bismuth, barium, mineral oil, iron, magnesium); specimens contaminated with urine; more than one specimen on inpatients hospitalized for more than 3 days.

Storage/Transport Temperature

Internal: Deliver to lab immediately.

Offsite: Preserve specimen within 1 hour of collection. Send at ambient temperature.

Performed

Mon - Fri dayshift

Stability (from collection to initiation)

Fresh, unpreserved stool - Ambient: 1 hour.

Preserved stool - Ambient: Indefinitely.

Remarks

Order GI PCR PANEL PLUS (Multiplex Film Array Assay) for first-line parasitic testing. For patients with prior residence in endemic countries, consider ordering a full ova and parasite exam in addition to GI PCR PANEL PLUS testing.

Order OP if any of the following patient conditions exists:

  1. OPSCREEN or GI PCR PANEL PLUS is negative and patient has persistent diarrhea.
  2. Exposure as part of an outbreak, chronic institutional care or daycare. 
  3. Previous residence in an endemic area for GI parasites. 
  4. Immunocompromised. 
  5. Systemic eosinophilia.

OPSCREEN will be performed unless one of the above conditions exists.

One specimen will detect greater than 90% of parasites.

Only one stool will be tested on inpatients hospitalized greater than 3 days. 

One specimen will be accepted per out-patient every 48 hours with up to 3 samples per week. 

Specimens obtained with a warm saline enema or Fleet -Phospho-Soda are acceptable. 

Wait 1 week or more after barium procedures or barium laxatives before collecting stool for exam. 

Ordering

Performed

Mon - Fri dayshift

Methodology

Direct wet mounts, concentration procedure, trichrome smear, Cyclospora and Isospora acid-fast smear and Giardia/Cryptosporidium antigen test.

Reported

Next day

Synonyms

  • LAB955

EPIC Code

LAB955

 

Result Interpretation
Administrative

CPT Codes

87177