ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesZ34.03

Z34.03

Encounter for supervision of normal first pregnancy, third trimester

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 Z34.03 is a billable code used to indicate a diagnosis of encounter for supervision of normal first pregnancy, third trimester.

Key Diagnostic Point:

Z34.03 is used to indicate an encounter for the supervision of a normal first pregnancy during the third trimester. This code is crucial for tracking maternal health and ensuring appropriate prenatal care. During this stage, healthcare providers focus on monitoring the health of both the mother and the fetus, assessing any potential risks, and providing education on labor, delivery, and postpartum care. Social determinants of health, such as access to healthcare, socioeconomic status, and education, play a significant role in maternal health outcomes. Preventive care during this period includes routine screenings for gestational diabetes, hypertension, and other conditions that may affect pregnancy. Regular visits allow for the identification of any complications early on, ensuring timely interventions. This code also emphasizes the importance of aftercare planning, including postpartum follow-up and support for breastfeeding and mental health, which are critical for both maternal and infant health.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Documentation of normal pregnancy status
  • Accurate tracking of trimester-specific care
  • Integration of social determinants of health
  • Preventive care and screening requirements

Audit Risk Factors

  • Inadequate documentation of the normal status of the pregnancy
  • Failure to document preventive screenings performed
  • Lack of follow-up care plans
  • Misuse of Z codes when a complication exists

Specialty Focus

Medical Specialties

Primary Care

Documentation Requirements

Documentation should include details of routine checkups, screenings (e.g., glucose tolerance test), and any counseling provided regarding labor and delivery.

Common Clinical Scenarios

Routine checkups, screenings for gestational diabetes, and discussions about labor preparation.

Billing Considerations

Consideration of social determinants such as access to transportation for visits and education on prenatal health.

Public Health

Documentation Requirements

Documentation should focus on population-level health data, including statistics on maternal health outcomes and access to care.

Common Clinical Scenarios

Epidemiological studies on maternal health trends and preventive health initiatives.

Billing Considerations

Tracking health disparities and access to prenatal care in underserved populations.

Coding Guidelines

Inclusion Criteria

Use Z34.03 When
  • Z codes are used primarily as secondary diagnoses to provide additional information about the patient's health status
  • When coding Z34
  • 03, it should be sequenced after any primary diagnosis related to the pregnancy
  • Payer requirements may vary, so it's essential to verify coverage for preventive services

Exclusion Criteria

Do NOT use Z34.03 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, level 3

Clinical Scenario

Used for routine prenatal visits where Z34.03 is applicable.

Documentation Requirements

Document the reason for the visit, assessments performed, and any counseling provided.

Specialty Considerations

Ensure that the visit aligns with preventive care guidelines.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding pregnancy encounters, improving data accuracy and health outcomes tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding pregnancy encounters, improving data accuracy and health outcomes tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding pregnancy encounters, improving data accuracy and health outcomes tracking.

Resources

Clinical References

  • •
    CDC Maternal and Infant Health

Coding & Billing References

  • •
    CDC Maternal and Infant Health

Frequently Asked Questions

What documentation is required to support the use of Z34.03?

Documentation must include confirmation of a normal pregnancy, details of preventive screenings performed, and any counseling or education provided during the visit.