ICD-10-CM Code For Pregnant State: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group Z33 includes codes for the pregnant state and encounters related to pregnancy, covering documentation of pregnancy without complications and confirmation of pregnancy status. These ICD-10-CM diagnosis codes are used to document encounters for pregnancy status, prenatal care initiation, and administrative recording of pregnancy in clinical records. Accurate coding within the ICD-10-CM Z33 group supports proper claim adjudication and complete clinical documentation and appropriate reimbursement.

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ICD-10-CM Z33: Pregnant State Overview

The diagnoses in this group represent the pregnant state and encounters related to pregnancy, targeting the reproductive system and prenatal care context. These codes capture the condition of being pregnant without specifying complications and support continuity of maternal health records. Accurate coding matters for appropriate claim processing and reimbursement and for clear clinical documentation of pregnancy status.

When to Use

Use a code from this group when a patient is confirmed to be pregnant and the visit relates to pregnancy status, prenatal administrative tasks, or routine prenatal care without identified complications. These codes are appropriate when pregnancy needs to be recorded in the medical record but no obstetric complication code is applicable.

ICD-10-CM Codes

3 rows

ICD-10-CM Code	Description
Z33.1	Pregnant state, incidental
Z33.2	Encounter for elective termination of pregnancy
Z33.3	Pregnant state, gestational carrier

DRG Codes

3 rows

DRG Code	Description
770	Abortion with D&C, Aspiration Curettage or Hysterotomy
779	Abortion without D&C
951	Other Factors Influencing Health Status

Typical Clinical Scenarios

A woman presents to her obstetric clinic for routine prenatal care in the first trimester after a positive home pregnancy test; she has no complications and seeks confirmation of pregnancy, counseling, and initiation of prenatal labs and screening. A diagnosis from this group is assigned to indicate the patient is currently pregnant and receiving routine prenatal services. Typical codes: Z33.1
A patient arrives at the emergency department with sudden onset pelvic pain and light vaginal bleeding at approximately 10 weeks gestation; clinicians evaluate for ectopic pregnancy, threatened miscarriage, or other acute pregnancy-related complications and begin urgent diagnostic workup. A code from this group is used to document that the encounter is occurring during an established pregnancy while acute evaluation is underway. Typical codes: Z33.2
A woman with a known high-risk pregnancy due to prior obstetric history attends frequent specialty visits for ongoing surveillance and care coordination throughout the antepartum period; she is stable but requires repeated encounters for management and monitoring. A code from this group is assigned to indicate the continuing pregnant state as the primary context for these healthcare services. Typical codes: Z33.3

ICD-10-CM Code For Encounter For Contraceptive Management: Group Overview

Z31-ENCOUNTER-FOR-PROCREATIVE-MANAGEMENT

ICD-10-CM Code For Encounter For Procreative Management: Group Overview

Z32-ENCOUNTER-FOR-PREGNANCY-TEST

ICD-10-CM Code For Encounter For Pregnancy Test And Childbirth And Childcare Instruction: Group Overview

Z34-ENCOUNTER-FOR-SUPERVISION-OF-NORMAL-PREGNANCY

ICD-10-CM Code For Encounter For Supervision Of Normal Pregnancy: Group Overview

Z36-ANTENATAL-SCREENING-OF-MOTHER

ICD-10-CM Code For Encounter For Antenatal Screening Of Mother: Group Overview

Z37-OUTCOME-OF-DELIVERY

ICD-10-CM Code For Outcome Of Delivery: Group Overview

Z38-LIVEBORN-INFANTS-PLACE-AND-DELIVERY

ICD-10-CM Code For Liveborn Infants According To Place Of Birth And Type Of Delivery: Group Overview

Z39-ENCOUNTER-FOR-MATERNAL-POSTPARTUM-CARE

ICD-10-CM Code For Encounter For Maternal Postpartum Care And Examination: Group Overview

Z3A-WEEKS-OF-GESTATION

ICD-10-CM Code For Weeks Of Gestation: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

3 rows

ICD-10-CM Code	Description
Z33.1	Pregnant state, incidental
Z33.2	Encounter for elective termination of pregnancy
Z33.3	Pregnant state, gestational carrier

DRG Codes

3 rows

DRG Code	Description
770	Abortion with D&C, Aspiration Curettage or Hysterotomy
779	Abortion without D&C
951	Other Factors Influencing Health Status

Typical Clinical Scenarios

A woman presents to her obstetric clinic for routine prenatal care in the first trimester after a positive home pregnancy test; she has no complications and seeks confirmation of pregnancy, counseling, and initiation of prenatal labs and screening. A diagnosis from this group is assigned to indicate the patient is currently pregnant and receiving routine prenatal services. Typical codes: Z33.1
A patient arrives at the emergency department with sudden onset pelvic pain and light vaginal bleeding at approximately 10 weeks gestation; clinicians evaluate for ectopic pregnancy, threatened miscarriage, or other acute pregnancy-related complications and begin urgent diagnostic workup. A code from this group is used to document that the encounter is occurring during an established pregnancy while acute evaluation is underway. Typical codes: Z33.2
A woman with a known high-risk pregnancy due to prior obstetric history attends frequent specialty visits for ongoing surveillance and care coordination throughout the antepartum period; she is stable but requires repeated encounters for management and monitoring. A code from this group is assigned to indicate the continuing pregnant state as the primary context for these healthcare services. Typical codes: Z33.3

ICD-10-CM Code For Encounter For Contraceptive Management: Group Overview

Z31-ENCOUNTER-FOR-PROCREATIVE-MANAGEMENT

ICD-10-CM Code For Encounter For Procreative Management: Group Overview

Z32-ENCOUNTER-FOR-PREGNANCY-TEST

ICD-10-CM Code For Encounter For Pregnancy Test And Childbirth And Childcare Instruction: Group Overview

Z34-ENCOUNTER-FOR-SUPERVISION-OF-NORMAL-PREGNANCY

ICD-10-CM Code For Encounter For Supervision Of Normal Pregnancy: Group Overview

Z36-ANTENATAL-SCREENING-OF-MOTHER

ICD-10-CM Code For Encounter For Antenatal Screening Of Mother: Group Overview

Z37-OUTCOME-OF-DELIVERY

ICD-10-CM Code For Outcome Of Delivery: Group Overview

Z38-LIVEBORN-INFANTS-PLACE-AND-DELIVERY

ICD-10-CM Code For Liveborn Infants According To Place Of Birth And Type Of Delivery: Group Overview

Z39-ENCOUNTER-FOR-MATERNAL-POSTPARTUM-CARE

ICD-10-CM Code For Encounter For Maternal Postpartum Care And Examination: Group Overview

Z3A-WEEKS-OF-GESTATION

ICD-10-CM Code For Weeks Of Gestation: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Pregnant State: Group Overview

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ICD-10-CM Z33: Pregnant State Overview

ICD-10-CM Code For Pregnant State: Group Overview

Sign up for ICD-10-CM Code For Pregnant State: Group Overview policy alerts

ICD-10-CM Z33: Pregnant State Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

ICD-10-CM Code For Pregnant State: Group Overview

Sign up for ICD-10-CM Code For Pregnant State: Group Overview policy alerts

ICD-10-CM Z33: Pregnant State Overview

ICD-10-CM Code For Pregnant State: Group Overview

Sign up for ICD-10-CM Code For Pregnant State: Group Overview policy alerts

ICD-10-CM Z33: Pregnant State Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

What does the ICD-10-CM Z33 group represent?

Which individual ICD-10-CM codes are included in the Z33 group?

How does accurate coding in Z33 affect reimbursement and claims?

Which DRGs are related to the Z33 pregnancy state group?

For what types of encounters should Z33 codes be used in clinical records?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

What does the ICD-10-CM Z33 group represent?

Which individual ICD-10-CM codes are included in the Z33 group?

How does accurate coding in Z33 affect reimbursement and claims?

Which DRGs are related to the Z33 pregnancy state group?

For what types of encounters should Z33 codes be used in clinical records?

References