Frozen Histology (Fresh Tissue)

Testing Laboratory

Counties Manukau | Middlemore Hospital

Department

Histology

Delphic Registration Code (Alpha Code)

PSRG

Test Code (Numeric Code)

9022

Laboratory Handling

Transport

Tissue specimens must be sent fresh (unfixed), without any preservative or fluid, and delivered immediately to the Histology Laboratory.

Sample Stability

Maintain at room temperature (15–25°C) and deliver immediately to the Histology Laboratory.

Synonyms

fresh frozen section cryotomy

Turnaround Time

30 minutes

Specimen Type

  • Tissue

Specimen Requirements

Tube/Container Type:

Preferred
  • Please refer to Additional Information below

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Please refer to Additional Information below

Pre-testing Requirements

Booking Requirements (Essential):
All required information must be emailed to CM-Histology.Secretary@TeWhatuOra.govt.nz prior to the date of surgery. Confirm receipt with a follow-up phone call to 09 276 0000 extn. 52279.

On the day of surgery, the specimen must be sent to the laboratory fresh (unfixed). Ensure the contact number for results is clearly documented on the request form. Notify the Histopathology Laboratory when the specimen leaves theatre by calling 09 276 0000 extn. 55279. Specimens must be delivered to Histology Laboratory as soon as possible (ASAP).

Labelling Requirements:
In addition to standard specimen labelling, include the following information:
• Specimen type
• Relevant clinical and operative details
• Legible signature and printed name
• Contact details of the referring Clinician

Important note: Failure to correctly label a specimen may result in delays to turnaround times of results.

Additional Specimen Information

The specimen must be placed in a sterile container or pot, free from formalin, liquid, or any preservative, and transported to the Histology Laboratory immediately.

FROZEN SECTIONS:
In selected circumstances, the Histopathology Laboratory can provide frozen section assessment. This is an intra-operative test and should only be requested when the result will directly influence surgical management or alter the extent of surgery. Examples include:
• Confirmation of parathyroid tissue in excisions for hyperparathyroidism
• Confirmation of margin clearance for infiltrative tumours at critical sites (e.g., infiltrative BXX’s on eyelids)

The following information must be provided:
• Patient name and NHI
• Procedure and date of procedure
• Hospital and theatre number
• Operating surgeon
• Extension / contact number

Last updated: 15/05/2026