Diagnostic Test Directory

Microbiology Laboratory

Smear for WBC-Stool

  • Synonyms: Fecal Leukocytes
  • LIS Mnemonic: STSM

    Collect

    ETM ; Stool in sterile leakproof container or Swab (See Remarks)

    Volume Required

    Stool Specimen or Rectal Swab

    Minimum Required

    approximately 1 gm (size of pea) of Stool; swab (See Remarks)

    Transport

    When specimen submitted in Enteric Transport Media send at room temperature within 72 hours. If fresh (unpreserved)specimen or specimen submitted on swab, send within two (2) hours at room temperature as cells lyse over time.

    Stability

    Dependent on specimen type. Refer to Transport.

    Unacceptable conditions

    Fresh stool > 2 hours after collection

Days Performed

Daily

Reported

Same day

Reflex Testing

N/A

CPT

87205

Methodology

Gram Stain