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emergency-medicine nursing

Manchester Triage System (MTS) Category

Assigns Manchester Triage System priority category based on presenting discriminators. Determines maximum wait time for clinical assessment.

Score interpretation

Green/Blue — Non-urgent (120-240 min target)

→ Standard wait; direct to appropriate area (minor injuries unit if applicable); advise GP if not an ED presentation; discharge without investigation if truly minor

Yellow — Urgent (60 min target)

→ Nurse-led initial assessment; analgesia if needed; investigations may be ordered; stream to appropriate pathway; watch for deterioration

Orange/Red — Very urgent/Immediate (0-10 min target)

→ Immediate clinical assessment; resus bay if immediate threat; senior clinician at bedside; full monitoring; do not leave patient unattended; notify senior charge nurse

Interpretation bands for the MTS Triage. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

📚 MRCEM Revision

Featured in these MRCEM clinical pathways

The MTS Triage is covered in detail — with RCEM/NICE evidence base, indications and pitfalls — in the following exam-focused pathways on our sister siteReviseMRCEM.

MRCEM Primary / Intermediate / OSCE candidates: each pathway includes exam-style questions, RCEM/NICE citations, and FAQ summaries.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.