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Home›Tests›Toxicology and special tests›Pre-operative blood tests
Combined pathway

Pre-operative blood tests

A set of tests selected according to the procedure, age, history, medicines and anaesthetic or surgical criteria; there is no universal panel for everyone.

SampleVenous blood and, if requested, urine or other specimens.
FastingDepends on the panel; 8–12 hours of fasting may be requested if glucose or a metabolic profile is included.
Indicative turnaroundMany routine tests may be available the same day; referred or repeated tests take longer.
PathwayCombined pathway
Available atDonostia · Gasteiz · Bilbo

Why it is performed

  • Assess haemoglobin, platelets, kidney function, glucose or other parameters relevant to surgery.
  • Evaluate coagulation when justified by the operation, history or treatment.
  • Detect abnormalities that need optimisation, repeat testing or assessment before surgery.

How it is performed

Askabide reviews the pre-operative request and collects the required tubes. CBC and selected chemistry tests can be processed on site; other tests follow the validated pathway or are referred. The report is released to the patient or authorised team.

Preparation

  • Bring the surgeon’s/anaesthetist’s request and planned operation date.
  • Provide a full list of medicines, allergies and anticoagulants; do not stop anything on your own.
  • Confirm whether ECG, imaging, pre-anaesthetic consultation or other non-laboratory tests are also required.

How Askabide processes it

Combined pathway

This is not a single technique. It may combine a five-part CBC, dry chemistry, coagulation, urinalysis, β-hCG or other tests according to the request and available pathway.

Part is performed at Askabide and another phase or confirmation is processed externally.

Results and indicative intervals

Intervals vary by method, analyser, reagent, units, age, sex, pregnancy, menstrual-cycle phase and reference population. The valid interval is the one printed on the laboratory report.
Parameter or resultIndicative referenceHow it is interpreted
CBCVer ficha específicaHaemoglobin, white cells and platelets are interpreted with the report and context.
ChemistrySegún peticiónGlucose, creatinine, electrolytes and enzymes may be included when ordered.
CoagulationSegún indicaciónPT/INR, aPTT or other tests are not mandatory for every operation.
Fit/unfit resultNo lo decide el laboratorioThe laboratory reports values; surgical fitness is determined by the clinical team.

Important limitations

  • An out-of-range result does not automatically cancel surgery.
  • A 'normal' panel does not remove every anaesthetic or surgical risk.
  • Tests must be sufficiently recent according to the operating centre’s protocol.
  • The final decision belongs to the team responsible for the procedure.
This website provides general information about clinical laboratory tests and diagnostic procedures. It does not replace an individual clinical assessment or the interpretation of the report issued by the laboratory.
Published reference values are indicative and may vary according to the method, equipment, units and individual characteristics.