ICD-10 Guide

Preop Clearance

ICD-10 Coding for Preoperative Clearance(Z01.810, Z01.811)

PRIMARY SPECIALTYPulmonology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Preop Clearance?

Essential facts and insights about Preoperative Clearance

Key Clinical Considerations:

History of respiratory disease (e.g., COPD, asthma)
Presence of dyspnea or wheezing
Oxygen saturation levels below 92% on room air

Clinical Information

Clinical Criteria & Documentation Requirements

Patient's medical history and current medications
Results of pulmonary function tests (PFTs)
Assessment of smoking status and cessation efforts

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding respiratory conditions accurately.
Common errors include misclassifying the severity of COPD.

Code Exclusions

Important Exclusions

Acute respiratory infections
Patients with stable asthma not requiring intervention

Specialty Focus

Primary Specialty

Pulmonology

Specialty Applications

Patients undergoing elective surgeries with respiratory risk factors
Outpatient pulmonary clinics and preoperative assessment centers

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Include detailed medical history, PFT results, and current medications.

What are the billing considerations?

Ensure accurate coding to reflect the complexity of the patient's pulmonary status.

Preop Clearance

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What are the documentation requirements?

What are the billing considerations?

Preop Clearance

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What are the documentation requirements?

What are the billing considerations?