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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Cytology, Fine Needle Aspirate (FNA)

Test Code(s): HCPATHF

CPT Code(s): 88173, 88172 (Adequacy Assist)

Clinical Significance: FNA is best suited for the diagnosis of neoplastic lesions. FNA can be performed on palpable superficial masses and deep masses visualized with imaging techniques.

Request Form: Cytopathology (UWH 1280520A)

Days Performed: Mon-Fri, 0800-1700.

Turnaround Time: Routine: 1 working day.


Specimen Requirements

Specimen: Fine needle aspirate (FNA)

Collection Instructions: The technique of fine needle aspiration (FNA) and slide preparation requires training. The UWHC Cytology Lab prefers that the Cytopathology FNA team perform or assist on all Fine Needle Aspiration Procedures. A fellow or cytotechnologist will bring all necessary materials to the procedure area, prepare the slides and evaluate the specimen adequacy. If requested by the attending clinician, a cytopathologist will page with a preliminary impression within 2 - 3 hours.  To schedule an FNA please call UWHC Cytology at (608) 263-3205.

FOR SPECIMENS COLLECTED OUTSIDE ROUTINE HOURS THE FNA MUST BE SUBMITTED AS A NEEDLE RINSE INTO HANK'S BALANCED SALT SOLUTION. Call UWHC Cytology (608) 263-3205 for centrifuge tubes and Hank's solution.  

Collection Container: Preferred: See collection instructions.
Also Acceptable: Sterile screw cap container

Sample Analyzed: All body sites. See Test Limitations for more information

Specimen Transport: Place specimen inside a biohazard bag with the request form in the outside pocket of the bag. Transport specimen to UWHC Core Laboratory (B4/220).

Outreach Specimen Transport: Refrigerate specimen following collection. Transport with coolant pack; avoid freezing.

Unacceptable Criteria: Needle rinse with any type of added fixative or anticoagulant.

Stability: Ambient: 4 hours
Refrigerated: 72 hours
Frozen: Not acceptable


Interpretation

Report provides interpretation.  Call UWHC Cytology Lab at (608) 263-3205 for further information.

Test Limitations:

FNA is CONTRAINDICATED for the work-up of infectious disease processes including TB, atypical Mycobacterium, and granulomas. FNA of a lymph node is NOT RECOMMENDED for a primary diagnosis of hematopoietic malignancy. Excisional biopsy is required for a definitive diagnosis. FNA of a splenic mass is CONTRAINDICATED due to possible bleeding complications. Bone and soft tissue masses require a core biopsy for definitive diagnosis. Abnormal findings must be correlated with history and other test results.

Additional Information:

Request form must include patient's name and medical record number, date of birth, specimen source, collection date, clinic and phone number, clinician's full name and pager number, and pertinent clinical history.

FNA Cytology, Fine Needle Aspiration, FNAB, HCPATHF, PATHF

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