What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 1375-5: Calcitonin 4 Hr post 15 mg/kg calcium gluconate IV [Mass/Vol]

Name: LOINC Code 1375-5: Calcitonin 4 Hr post 15 mg/kg calcium gluconate IV [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:24.418Z

1375-5 is a LOINC code used to identify Calcitonin 4 Hr post 15 mg/kg calcium gluconate IV [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^4H post 15 mg/kg calcium gluconate IV. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 21 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^4H post 15 mg/kg calcium gluconate IV. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

Calcitonin [Mass/volume] in Serum or Plasma --4 hours post 15 mg/kg calcium gluconate IV
Calcitonin^4H post 15 mg/kg calcium gluconate IV
4h p 15 mg/kg CaG IV; After; Ca; Cal; CHEMISTRY.CHALLENGE TESTING; CT; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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 4 Hr post 15 mg/kg calcium gluconate IV [Mass/Vol]Calcitonin [Mass/volume] in Serum or Plasma --4 hours post 15 mg/kg calcium gluconate IVCalcit 4h p 15 mg/kg CaG IV SerPl-mCncCalcitonin^4H post 15 mg/kg calcium gluconate IVCHALCalcitonin 4 hr after 15 Mg/kg Calcium Gluconate intravenous, BloodMCnc

Frequently asked questions

Code details

Code1375-5

SystemLOINC

Display nameCalcitonin 4 Hr post 15 mg/kg calcium gluconate IV [Mass/Vol]

DescriptionCalcitonin^4H post 15 mg/kg calcium gluconate IV

Short nameCalcit 4h p 15 mg/kg CaG IV SerPl-mCnc

ComponentCalcitonin^4H post 15 mg/kg calcium gluconate IV

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitspg/mL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.34

Consumer names

Calcitonin 4 hr after 15 Mg/kg Calcium Gluconate intravenous, Blood

Part names

Calcitonin^4H post 15 mg/kg calcium gluconate IVMCncPtSer/PlasQnMass ConcentrationPoint in time (spot)Serum or Plasma

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.