Pre Op Clearance ICD-10-CM Codes

Pre Op Clearance ICD-10-CM Codes

Learn ICD-10-CM codes for pre- Op Clearance, including cardiovascular, respiratory, lab, and other exams essential for surgery readiness and billing.

By Wynona Jugueta on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What are Pre-Op Clearance ICD-10-CM Codes?

Preoperative (pre op) clearance, also known as pre operative assessment or preoperative assessment, refers to the comprehensive medical review conducted to determine a patient’s readiness for surgical procedures. This includes assessing medical history, current health status, and risk factors that could affect surgery. Proper use of ICD-10-CM codes for pre-op clearance is crucial for accurate coding, medical billing, and compliance with revenue cycle management standards.

Healthcare providers, including family physicians and primary care physicians, commonly use the following ICD-10 codes when performing pre op evaluations or pre-surgical evaluations:

  • Z01.810 – Encounter for preprocedural cardiovascular examination
    This diagnosis code applies when a cardiovascular evaluation is required before surgery. It's commonly used for patients with heart-related concerns and is often part of evaluation and management services.
  • Z01.811 – Encounter for preprocedural respiratory examination
    Used when the preoperative clearance focuses on respiratory risks such as asthma, COPD, or other pulmonary conditions.
  • Z01.812 – Encounter for preprocedural laboratory examination
    Applies when laboratory tests like CBC, coagulation profiles, or metabolic panels are a significant component of the pre-operative clearance.
  • Z01.818 – Encounter for other preprocedural examination
    This is a broad ICD-10-CM code used for pre op clearance, not specific to cardiovascular, respiratory, or laboratory assessments. It supports general preprocedural examination before surgical or diagnostic procedures.
  • Z01.89 – Encounter for other specified special examinations
    A less commonly used Z code, appropriate when no other preoperative exam codes apply. It may be suitable for unique or specialized pre-operative evaluations.

Which Pre Op Clearance ICD-10-CM Codes are billable?

All of the following ICD-10 codes are billable when the pre op service is appropriately documented and medically necessary:

  • Z01.810 – Yes, billable: Cardiovascular pre op clearance
  • Z01.811 – Yes, billable: Respiratory preoperative evaluations
  • Z01.812 – Yes, billable: Preprocedural laboratory examination
  • Z01.818 – Yes, billable: General preprocedural evaluation
  • Z01.89 – Yes, billable, but only if none of the above codes apply.

Clinical information

  • The goal of preoperative clearance is to evaluate the patient’s readiness for surgery, identify medical problems, and mitigate risk. This pre op assessment often includes:
    • A physical assessment and review of systems
    • A comprehensive medical history, including previous surgeries, allergies, and medications
    • Coordination with healthcare professionals, including the requesting provider (e.g., surgeon)
    • Relevant laboratory tests, EKGs, imaging, and specialty consultations
    • Assessment of ongoing management needs or risks (e.g., diabetes, hypertension)
    It is especially critical before emergency surgery or procedures involving high-risk patients.The findings help guide anesthesia planning, surgical timing, and medical decision making, ensuring the patient’s care is well-coordinated. Proper documentation also helps avoid claim denials, particularly when services are part of the global surgical package.

Synonyms include

  • Preoperative assessment
  • Surgical clearance
  • Preoperative evaluation

Commonly asked questions

Pre op clearance is essential to evaluate a patient’s overall health and identify any risks that could complicate anesthesia or the surgical procedure. It ensures the patient is medically optimized for surgery, reducing the likelihood of complications during or after the operation.

It typically includes reviewing the patient’s medical history, a physical exam, and relevant tests such as blood work, imaging, or EKGs. The provider also evaluates chronic conditions and medications to make recommendations supporting a safe surgical outcome.

Pre-op clearance is usually conducted by a primary care physician, internist, or family physician familiar with the patient’s health history. If specific risk factors are identified, specialists like cardiologists or pulmonologists may be consulted.

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