LOINCActiveObservation

LOINC Code 17804-6: Promonocytes/Leukocytes (Body fld)

17804-6 is a LOINC code used to identify Promonocytes/Leukocytes (Body fld) 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 Promonocytes/Leukocytes. It is commonly used with the system or sample type Body fld.

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 Promonocytes/Leukocytes. It is commonly used with the system or sample type Body fld.

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

  • Promonocytes/Leukocytes in Body fluid
  • Promonocytes/Leukocytes
  • B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; Leuc; Leuk; Leukocyte; Lkcs; Number fraction; Percent; Point in time; Promono; Promonocyte; Promonycytes; QNT; Quan; Quant; Quantitative; Random; WBC; WBCs; White blood cell; White blood cells

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

Promonocytes/Leukocytes (Body fld)Promonocytes/Leukocytes in Body fluidPromonycytes NFr FldPromonocytes/LeukocytesHEM/BCPromonocytes/White Blood Cells, Body fluidNFr

Frequently asked questions

Code details

Code17804-6
SystemLOINC
Display namePromonocytes/Leukocytes (Body fld)
DescriptionPromonocytes/Leukocytes
Short namePromonycytes NFr Fld
ComponentPromonocytes/Leukocytes
PropertyNFr
TimingPt
System (specimen)Body fld
ScaleQn
ClassHEM/BC
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.79

Consumer names

Promonocytes/White Blood Cells, Body fluid

Part names

Promonocytes/LeukocytesNFrPtBody fldQnNumber FractionPoint in time (spot)Body fluid

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 17804-6 | HealthAssure