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LOINC Code 75709-6: Calcitonin (Lymph node fine needle aspirate) [Mass/Vol]

75709-6 is a LOINC code used to identify Calcitonin (Lymph node fine needle aspirate) [Mass/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcitonin. It is commonly used with the system or sample type Lymph node.FNA.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcitonin. It is commonly used with the system or sample type Lymph node.FNA.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Calcitonin [Mass/volume] in Lymph node fine needle aspirate
  • Calcitonin
  • Measurement of calcitonin levels in fine-needle aspiration specimens from athyrotic individuals treated for medullary thyroid carcinoma. Test is performed to confirm or exclude metastases in enlarged or ultrasonographically suspicious lymph nodes.
  • Chemistry; CT; Endocrine; Endocrinology; Fine needle; Level; Ln; LN FNA; Mass Concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Thyrocalcitonin; Tumor marker

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Calcitonin (Lymph node fine needle aspirate) [Mass/Vol]Calcitonin [Mass/volume] in Lymph node fine needle aspirateCalcit LN FNA-mCncCalcitoninCHEMCalcitonin, Lymph node fine needle aspirateMCnc

Frequently asked questions

Code details

Code75709-6
SystemLOINC
Display nameCalcitonin (Lymph node fine needle aspirate) [Mass/Vol]
DescriptionCalcitonin
Short nameCalcit LN FNA-mCnc
ComponentCalcitonin
PropertyMCnc
TimingPt
System (specimen)Lymph node.FNA
ScaleQn
ClassCHEM
Example unitspg/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.50
Last changed2.50

Consumer names

Calcitonin, Lymph node fine needle aspirate

Part names

CalcitoninMCncPtLymph node.FNAQnMass ConcentrationPoint in time (spot)Lymph node FNA

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 75709-6 | HealthAssure