ICD-10 Guide

Previous Cesarean Section

ICD-10 Coding for Previous Cesarean Section(Z98.891, O34.21-)

PRIMARY SPECIALTYObstetrics

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Previous Cesarean Section?

Essential facts and insights about Previous Cesarean Section

Key Clinical Considerations:

History of previous cesarean delivery
Potential complications in subsequent pregnancies
Increased risk of uterine rupture in labor

Clinical Information

Clinical Criteria & Documentation Requirements

Patient's obstetric history including details of previous cesarean
Indications for previous cesarean section
Current pregnancy complications related to previous cesarean

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding previous cesarean in relation to current pregnancy status.
Common errors include failing to document the indication for the previous cesarean.

Code Exclusions

Important Exclusions

Multiple previous cesarean sections (may require additional codes)
Conditions unrelated to previous cesarean delivery

Specialty Focus

Primary Specialty

Obstetrics

Specialty Applications

Pregnant women with a history of cesarean delivery
Obstetric care settings including hospitals and clinics

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

Documentation requirements?

Include details of the previous cesarean, indication, and any complications.

Billing considerations?

Ensure accurate coding to reflect the patient's obstetric history for appropriate reimbursement.

Previous Cesarean Section

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

Documentation requirements?

Billing considerations?

Previous Cesarean Section

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

Documentation requirements?

Billing considerations?