LOINCObservation

LOINC Code 82121-5: Allelic read depth [#]

82121-5 is a LOINC code used to identify Allelic read depth [#] 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 Allelic read depth. It is commonly used with the system or sample type ^Patient.

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 Allelic read depth. It is commonly used with the system or sample type ^Patient.

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: TRIAL
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Allelic read depth
  • Cnt; Count; Dpth; Molecular pathology; MOLPATH; Number; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Allelic read depth [#]Allelic read depthMOLPATHNumPt^PatientQn

Frequently asked questions

Code details

Code82121-5
SystemLOINC
Display nameAllelic read depth [#]
DescriptionAllelic read depth
Short nameAllelic read depth
ComponentAllelic read depth
PropertyNum
TimingPt
System (specimen)^Patient
ScaleQn
ClassMOLPATH
Example units#
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.58

Consumer names

Allelic read depth

Part names

Allelic read depthNumPt^PatientQnNumber (count)Point in time (spot)

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 82121-5 | HealthAssure