Laboratory observations

Examples of laboratory-based observations consumed by SOFUS include:

• Electrolytes

  • Sodium (Na)

  • Potassium (K)

  • Chloride (Cl)

  • Hydrogen carbonate (HCO₃⁻)

• Renal and metabolic markers

  • Creatinine

  • eGFR (CKD-EPI)

  • Urea (carbamide)

  • Lactate (arterial and venous)

• Inflammatory and hematological markers

  • C-reactive protein (CRP)

  • Leukocytes

  • Neutrophils

  • Lymphocytes

  • Monocytes

  • Platelets

  • Hemoglobin

• Cardiac and vascular markers

  • Troponin T

  • Pro-BNP

  • D-Dimer

• Metabolic and biochemical markers

  • Glucose

  • HbA1c (IFCC)

  • Bilirubin

  • Cholesterol (total, HDL, non-HDL)

  • Triglycerides

  • Albumin

Inputs

Clinical concept	FHIR resource	FHIR value type	Example codes
Sodium (Na)	DiagnosticReport/ Observation	Quantity	ASS00101, ASS00256, NPU03429
Potassium (K)	DiagnosticReport/ Observation	Quantity	ASS00102, ASS00255, NPU03230
Chloride (Cl)	DiagnosticReport/ Observation	Quantity	ASS00103, ASS00995
Hydrogen carbonate (standard)	DiagnosticReport/ Observation	Quantity	ASS00124, ASS00125
Creatinine	DiagnosticReport/ Observation	Quantity	NPU18016
eGFR (CKD-EPI)	DiagnosticReport/ Observation	Quantity	DNK35302
Urea (carbamide)	DiagnosticReport/ Observation	Quantity	NPU01459
Lactate (arterial / venous)	DiagnosticReport/ Observation	Quantity	NPU03943, NPU03944
pH (arterial / venous)	DiagnosticReport/ Observation	Quantity	NPU12474, NPU03995
pO₂ (arterial / venous)	DiagnosticReport/ Observation	Quantity	NPU08977, NPU12501
pCO₂ (arterial / venous)	DiagnosticReport/ Observation	Quantity	NPU01470, NPU10029
Base excess (arterial / venous)	DiagnosticReport/ Observation	Quantity	NPU12518, NPU12521
C-reactive protein (CRP)	DiagnosticReport/ Observation	Quantity	NPU19748
Leukocytes	DiagnosticReport/ Observation	Quantity	NPU02593
Neutrophils	DiagnosticReport/ Observation	Quantity	NPU28172
Lymphocytes	DiagnosticReport/ Observation	Quantity	NPU02636
Monocytes	DiagnosticReport/ Observation	Quantity	NPU02840
Platelets	DiagnosticReport/ Observation	Quantity	NPU03568
Hemoglobin	DiagnosticReport/ Observation	Quantity	NPU02319
Bilirubin	DiagnosticReport/ Observation	Quantity	NPU01370
Glucose	DiagnosticReport/ Observation	Quantity	NPU02192
HbA1c (IFCC)	DiagnosticReport/ Observation	Quantity	NPU27300
Albumin	DiagnosticReport/ Observation	Quantity	NPU19673
Cholesterol (total)	DiagnosticReport/ Observation	Quantity	NPU01566
Cholesterol (HDL)	DiagnosticReport/ Observation	Quantity	NPU01567
Cholesterol (non-HDL)	DiagnosticReport/ Observation	Quantity	NPU29055
Triglycerides	DiagnosticReport/ Observation	Quantity	NPU04094
Troponin T	DiagnosticReport/ Observation	Quantity	NPU27501
Pro-BNP	DiagnosticReport/ Observation	Quantity	NPU21571
D-Dimer	DiagnosticReport/ Observation	Quantity	NPU28289
Alanine aminotransferase (ALAT)	DiagnosticReport/ Observation	Quantity	NPU19651
Amylase (pancreatic)	DiagnosticReport/ Observation	Quantity	NPU19653
Blood culture / resistance	DiagnosticReport/ Observation	Quantity / CodeableConcept	NPU17191, AAA00906

Units: Normalized according to source system and mapped consistently in Journl Streamed