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.

LOINCActiveOrder

LOINC Code 34554-6: Electrolytes 1998 and Venous pH panel (S/P/BldV)

Name: LOINC Code 34554-6: Electrolytes 1998 and Venous pH panel (S/P/BldV)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:22.384Z

34554-6 is a LOINC code used to identify Electrolytes 1998 and Venous pH panel (S/P/BldV) 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 Electrolytes 1998 & Venous pH panel. It is commonly used with the system or sample type Ser/Plas/BldV.

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 Electrolytes 1998 & Venous pH panel. It is commonly used with the system or sample type Ser/Plas/BldV.

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: Order
Panel type: Panel

What it does not mean

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

Key facts

Electrolytes 1998 and Venous pH panel - Serum or Plasma + Blood venous
Electrolytes 1998 & Venous pH panel
The components of this panel were defined by HCFA (now CMS)
98; Bld ven; Bld venous; Blood - venous; Blood ven; Blood venus; Chemistry; Elect; Electr; Electrolyte; Lytes; Lytes 1998 + Ven pH Pnl; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Venous

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

Electrolytes 1998 and Venous pH panel (S/P/BldV)Electrolytes 1998 and Venous pH panel - Serum or Plasma + Blood venousLytes 1998 + Ven pH PnlElectrolytes 1998 & Venous pH panelPANEL.CHEMElectrolytes 1998 and Venous PH Panel, Blood-

Frequently asked questions

Code details

Code34554-6

SystemLOINC

Display nameElectrolytes 1998 and Venous pH panel (S/P/BldV)

DescriptionElectrolytes 1998 & Venous pH panel

Short nameLytes 1998 + Ven pH Pnl

ComponentElectrolytes 1998 & Venous pH panel

Property-

TimingPt

System (specimen)Ser/Plas/BldV

ScaleQn

ClassPANEL.CHEM

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.10

Last changed2.42

Consumer names

Electrolytes 1998 and Venous PH Panel, Blood

Part names

Electrolytes 1998 & Venous pH panel-PtSer/Plas/BldVQnElectrolytes 1998 and Venous pH panelPoint in time (spot)Serum or Plasma + Blood venous

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.