Direct Immunofluorescence (Fresh Tissue)

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Testing Laboratory

APS | Mt Wellington

Department

Histology

Delphic Registration Code (Alpha Code)

MSRG

Test Code (Numeric Code)

1233

Laboratory Handling

Transport

see 'Additional Specimen Information' section

Sample Stability

Specimen transported Fresh (on saline-soaked gauze) stable up to <6hours in ambient or refrigerate (4 degrees Celsius).

Synonyms

DIFL

Turnaround Time

15 days

80% of cases reported within 5 working days; 90% of cases reported within 10 working days; 98% of cases reported with 15 working days.

Specimen Type

  • Tissue

Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container

Pre-testing Requirements

Labelling Requirements:
· Both container and the request form must be labelled with at least two patient identifiers (e.g., Full name, date of birth or NHI number).
· Site of specimen is also required.
· A requisition form must accompany the specimen container detailing relevant clinical details including any relevant previous Histology Pathology.

Additional Specimen Information

Specimen Transport
· Wrap tissue in saline-moistened gauze and place in a sealed container. Place the container into a biohazard bag and request form in the side pocket.
· Place and seal ice in another biohazard bag.
· Place this ice bag next to the specimen container in the first biohazard bag (the ice should NOT be in the container with the tissue).
· Use an APS priority transport bag, if unavailable, place in a brown paper bag and write on the front:
URGENT
FRESH HISTOLOGY SPECIMEN
Anatomic Pathology Service
37-41 Carbine Rd
Mt Wellington

Must be received by the lab no later the 4:00PM, Monday - Friday.

Do not Send fresh specimens for DIFL over the weekend.

Last updated: 06/05/2026