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This is a sendout test. Please note that turnaround time is defined as the anticipated time from set up day to results release.
S52360: Thyroglobulin, Fine Needle Aspirate [16559] Print View
Thyroglobulin, FNA IA  < 1.0  ng/mL 

PRIMARY
1 Fine Needle Aspirate 1 (0.8) mL   Frozen - 28 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE
  Saline node washing   Frozen - 28 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  

Clinically enlarged cervical lymph nodes with a history of thyroid cancer are usually assessed by fine-needle aspiration biopsy (FNAB) followed by a cytology. Thyroglobulin (Tg) is frequently elevated in malignant FNAB needle wash specimens and it's use may possibly augment or replace cytology.

A 25-gauge needle is inserted obliquely within the transducer plane
of view and moved back and forth through the nodule to compensate for
patient movement and needle deflection. There is no suction device;
cells move into the needle via capillary action. Three to six
separate passes are performed, each with a new needle. After
collection of the cytology samples, each FNAB needle is then washed
with 0.1-0.5 mL of normal saline; the washes from all needles are
pooled (final volume 1 mL) and immediately frozen. and then
transported to the laboratory directly.
Setup Schedule
Tuesday-Saturday

Reported (Analytical Time)
Same day

CPT Code
84432

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Reject Criteria: Glass tubes






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