3.1 Universal Protocol, Surgical Site Marking & Time Out Execution

Key Takeaways

  • The Joint Commission Universal Protocol mandates three core steps: Pre-procedure Verification, Surgical Site Marking, and the final Time Out.
  • Site marking must be performed by a Licensed Independent Practitioner (LIP) before OR entry using a permanent marker with initials or 'YES', never an 'X'.
  • The Time Out is an active, silent-room pause conducted immediately prior to skin incision involving all team members confirming 5 mandatory elements.
  • Prophylactic antibiotics must be completely infused within 60 minutes prior to surgical incision (120 minutes for vancomycin or fluoroquinolones).
  • Multi-procedure or bilateral surgeries require separate, distinct Time Out pauses prior to each individual site incision or procedure change.
Last updated: July 2026

3.1 Universal Protocol, Surgical Site Marking & Time Out Execution

The Joint Commission (TJC) established the Universal Protocol for Preventing Wrong Site, Wrong Procedure, and Wrong Person Surgery in 2004 to eliminate catastrophic, preventable surgical errors. Wrong-site surgery remains classified as a sentinel event—a patient safety event reaching a patient that results in death, permanent harm, or severe temporary harm. Achieving perioperative safety requires strict, non-negotiable compliance with the three standardized components of the Universal Protocol: pre-procedure verification, surgical site marking, and the execution of the final Time Out.


1. Pre-Procedure Verification Process

The pre-procedure verification process is an ongoing information-gathering workflow that begins when the decision for surgery is made and continues until immediately before skin incision. Its primary purpose is to ensure that all relevant documentation, diagnostic studies, and equipment are accurate, complete, and matched to the patient.

Essential Components of Pre-Procedure Verification

The circulating perioperative nurse must systematically verify and document the following items prior to transferring the patient into the operating room suite:

  • Patient Identity: Confirmed using at least two unique patient identifiers (e.g., full legal name and date of birth or medical record number). Hospital bed numbers or room numbers are strictly prohibited as identifiers.
  • Signed Informed Consent: Verifies that the planned procedure, surgical side/site, operating surgeon, and patient signature (or legal guardian signature) match the operating room schedule exactly.
  • History and Physical (H&P): Must be completed within 30 days prior to surgery and updated with an intraoperative or pre-op assessment within 24 hours prior to procedure start.
  • Diagnostic and Imaging Studies: Relevant X-rays, CT scans, MRIs, and pathology reports must be displayed in the OR and verified against patient identifiers.
  • Required Implants and Special Equipment: Verification that special prostheses, autologous tissue, blood products, or custom instruments are physically present in the room and validated for sterility and size before anesthesia induction.
Verification PhaseTimingResponsible Team MembersMandatory Verification Items
Pre-Admission / HoldingAdmission to Pre-op HoldingPre-op Nurse, Anesthesia ProviderTwo patient identifiers, signed consent, H&P <30 days, allergy profile, baseline vitals.
Pre-Induction (Transfer)Immediately prior to OR transferCirculating RN, Anesthesia ProviderSite mark presence, consent-schedule match, blood product availability, implant readiness.
Pre-Incision (Time Out)Immediately prior to skin incisionEntire Surgical Team (Surgeon, Anesthesia, RN, Scrub)5 Core Time Out elements, antibiotic timing, fire risk assessment, final verbal consensus.

2. Surgical Site Marking Protocols

Surgical site marking provides an unequivocal, visual signal on the patient's skin to pinpoint the exact intended anatomical location of the operation.

Mandatory Site Marking Standards

  1. Who Marks the Site: The site marking must be performed by a Licensed Independent Practitioner (LIP) who is directly involved in performing the procedure (typically the attending operating surgeon). While policy may allow a surgical resident or physician assistant to mark the site if they are participating in the procedure, site marking can never be delegated to the circulating nurse or scrub personnel.
  2. When and Where Marking Occurs: The mark must be applied before the patient enters the operating room suite or procedure area, while the patient is awake, alert, conscious, and actively involved in the verification process (unless incapacitated, pediatric, or requiring emergency care).
  3. Approved Marking Method: Site marking must be completed using a single-use permanent surgical skin marker. The mark must consist of the surgeon's initials or the word "YES".
  4. Visibility: The mark must remain visible after surgical skin antisepsis (prep application) and sterile drape positioning.

[!WARNING] Exam Trap — The Use of "X": CNOR candidates must remember that using an "X" to mark the surgical site is strictly prohibited by TJC and AORN standards. An "X" is clinically ambiguous because it can be interpreted as either "operate here" or "do NOT operate here." Only unambiguous marks such as initials or "YES" are permitted.

Approved Exemptions to Site Marking

Site marking is mandatory for all procedures involving lateralization (right/left), multiple structures (fingers, toes, lesions), or multiple levels (spine). However, specific clinical exemptions exist where marking is impractical or technically impossible:

  • Single Organ / Midline Procedures: Operations involving a single organ without lateralization (e.g., midline laparotomy, tracheostomy, hysterectomy, caesarean section, thyroidectomy).
  • Mucosal and Endoscopic Procedures: Procedures performed through natural body orifices where skin marking is not possible (e.g., upper GI endoscopy, cystoscopy, bronchoscopy, transurethral resection).
  • Intervention Sites Immediately Adjacent to Orifice: Dental extractions, tonsillectomy, or intraoral procedures.
  • Premature Infants: Extremely low birth weight neonates where permanent tattoo ink staining or skin breakdown from skin markers poses clinical risk.
  • Emergency Life-Threatening Surgery: Immediate resuscitation cases (e.g., ruptured abdominal aortic aneurysm) where delay for marking compromises survival.

3. Time Out Execution & Mandatory Standards

The Time Out is the final safety checkpoint conducted in the operating room immediately prior to skin incision or the initiation of an invasive procedure. It requires an absolute, unhurried freeze in activity across the entire surgical suite.

[ Pre-Op Holding: Site Marking by LIP ] 
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[ OR Suite: Patient Positioning & Draping ] 
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[ "SILENT ROOM" Call out by Circulating RN ] 
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[ Active Verbal Confirmation of 5 Core Elements ] 
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[ Surgical Incision / Procedure Initiation ]

The 5 Core Mandatory Elements of Time Out

All members of the surgical team—including the operating surgeon, anesthesia professional, circulating registered nurse, surgical technologist, and any scrubbed assistants—must actively engage in the Time Out. The circulating nurse typically leads the process, confirming:

  1. Correct Patient Identity: Confirmed verbally using 2 unique identifiers against the chart and wristband.
  2. Correct Surgical Site and Side: Verified visually against the physical site mark and signed consent.
  3. Correct Procedure: Confirmed verbally by exact procedure name.
  4. Correct Patient Position: Confirmed that positioning matches procedural requirements and nerve/skin safeguards.
  5. Availability of Equipment, Implants, and Images: Confirmed that all necessary prostheses, specialized instruments, and diagnostic imaging are present and correct.

Additional Time Out Safety Checks

  • Prophylactic Antibiotic Administration: Verification that weight-adjusted prophylactic antibiotics have been completely infused within 60 minutes prior to skin incision (or within 120 minutes for Vancomycin and fluoroquinolones).
  • Fire Risk Assessment: Verbal communication of the fire risk score based on ignition sources (electrosurgery, lasers), oxidizers (open oxygen delivery), and fuel (alcohol skin preps, drapes).
  • Multiple/Bilateral Procedures: When a patient undergoes multiple procedures during a single operative session (e.g., bilateral total knee arthroplasty or combined gynecological and general surgery cases), a separate, distinct Time Out must be performed immediately prior to each individual incision or procedure change.

[!IMPORTANT] Stopping the Line: Any member of the surgical team—regardless of hierarchy or role—has the absolute authority and ethical obligation to speak up and stop the procedure if a discrepancy, ambiguity, or doubt arises during the Time Out. Surgical incision is strictly prohibited until the discrepancy is fully investigated, reconciled, and re-verified by all team members.

Test Your Knowledge

According to The Joint Commission Universal Protocol, which mark is strictly prohibited for surgical site marking due to clinical ambiguity?

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B
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D
Test Your Knowledge

What is the mandatory infusion timeframe for prophylactic Vancomycin prior to surgical skin incision?

A
B
C
D
Test Your Knowledge

Who holds the primary responsibility for marking the surgical site prior to an elective right total hip arthroplasty?

A
B
C
D