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CPT 80081: Obstetric Panel for Prenatal Screening

CPT code 80081 represents a standardized obstetric laboratory panel for prenatal screening and assessment. The panel bundles tests that are critical for maternal and fetal health surveillance—complete blood count with differential, hepatitis B surface antigen, a combined HIV-1 antigen/antibody screen for HIV-1/HIV-2, rubella antibody, qualitative nontreponemal syphilis test, red blood cell antibody screen, and ABO/Rh blood typing. Nationally, this panel is widely used during early prenatal care to identify infectious risks, immune status, hematologic conditions, and blood group compatibility.

Key payers in most coverage landscapes include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of what CPT code 80081 covers clinically and operationally, typical sites of service, and the types of benchmarks and policy details that influence billing and coverage decisions. The publication summarizes payer coverage patterns, common modifier usage, clinical context for ordering the panel, and implications for laboratory workflow and reporting. Data not available in the input for specific payer fee schedules, ICD-10 mappings, and associated taxonomies are noted as unavailable.

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Billing Code Overview

CPT code 80081 describes a comprehensive obstetric panel performed by a laboratory analyst. The panel includes a complete blood count with differential, hepatitis B surface antigen test, a single-result HIV-1 antigen/antibody test (screening for HIV-1 and HIV-2), rubella antibody test, a qualitative nontreponemal syphilis test, red blood cell antibody screen, ABO blood typing, and Rh typing.

Service type: Laboratory diagnostic testing panel

Typical site of service: Clinical laboratory or hospital laboratory; specimens are usually collected in outpatient prenatal clinics, obstetrics practices, or inpatient hospital settings.

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CPT 80081: Obstetric Panel for Prenatal Screening

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Billing Code Overview

Service type: Laboratory diagnostic testing panel

Typical site of service: Clinical laboratory or hospital laboratory; specimens are usually collected in outpatient prenatal clinics, obstetrics practices, or inpatient hospital settings.

Clinical & Coding Specifications

Clinical Context

A pregnant patient at an initial prenatal visit has a comprehensive obstetric laboratory panel ordered to establish baseline maternal and fetal risk status. The obstetric panel is performed by the laboratory and includes a complete blood count with differential to assess anemia and infection, hepatitis B surface antigen to detect active hepatitis B infection, a single-result combined antigen/antibody test for HIV-1 and HIV-2 to identify maternal HIV infection, rubella IgG antibody to determine immunity, a qualitative nontreponemal syphilis test (e.g., RPR or VDRL) for syphilis screening, a red blood cell antibody screen to detect clinically significant alloantibodies, and ABO and Rh typing (including Rh(D)) to determine blood group and alloimmunization risk. Typical workflow: physician or midwife documents pregnancy and indications and places electronic lab orders; the patient presents to an outpatient clinic or laboratory phlebotomy unit; a phlebotomist collects specimens with appropriate tubes; the laboratory performs the specified assays, documents results in the electronic medical record, and issues critical value notifications if indicated. Results guide interventions such as hepatitis B vaccination counseling, HIV management and prophylaxis, treatment of syphilis, Rh(D) immune globulin administration planning, and referral to specialty care if infections or significant antibodies are identified.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	When billing only the physician/pathologist professional interpretation portion of a test that has a split technical/professional component.
`TC`	Technical component	When billing only the laboratory or facility portion (equipment, reagents, technician) of the test.
`90`	Reference (outside) laboratory	When specimens are sent to an outside independent laboratory for testing and the billing facility is reporting that subcontracted service.
`52`	Reduced services	When the obstetric panel is partially performed or components omitted for documented clinical reasons.
`59`	Distinct procedural service	When a separate, distinct lab service or specimen is billed the same day and must be identified as distinct from this panel.
`53`	Discontinued procedure	When specimen collection or testing is discontinued due to patient instability or inability to obtain specimen.
`22`	Increased procedural services	When laboratory testing required substantially greater resources or complexity than typical and documentation supports unusual circumstances.
`90`	Reference (outside) laboratory	When results are obtained from a subcontracted/reference lab — note: appears twice in modifier lists; use once as applicable.
`90`	Reference (outside) laboratory	When lab testing is performed by an outside commercial reference laboratory and the billing facility indicates that arrangement.
`QW`	CLIA waived test	If any component was performed as a waived test under CLIA and payer requires designation.

Taxonomy Code	Specialty	Notes
208D00000X	Obstetrics & Gynecology	Physicians who order and interpret prenatal laboratory panels.
207L00000X	Pathology	Laboratory directors or pathologists responsible for test validation and result interpretation.
334P00000X	Phlebotomy	Clinical laboratory professionals and phlebotomists who obtain specimens.
207K00000X	Clinical Laboratory	Clinical laboratory personnel performing testing and reporting results.
208M00000X	Family Medicine	Primary care physicians who provide prenatal care and order panels.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z34.90`	Encounter for supervision of normal pregnancy, unspecified, unspecified trimester	Routine initial or early prenatal visit indication for an obstetric panel.
`Z31.41`	Encounter for pregnancy test, result positive	Early confirmation of pregnancy prompting baseline prenatal laboratory testing.
`O09.90`	Supervision of high-risk pregnancy, unspecified, unspecified trimester	Indication for comprehensive obstetric testing when pregnancy is high risk.
`Z20.6`	Contact with and (suspected) exposure to HIV	Triggers HIV testing as part of obstetric infectious disease screening.
`Z11.3`	Encounter for screening for infections with a predominantly sexual mode of transmission	Supports syphilis and HIV screening in pregnancy.
`O98.890`	Other infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium	Represents maternal infections identified by panel that complicate pregnancy management.
`D50.9`	Iron deficiency anemia, unspecified	May be identified by the CBC component and is a common pregnancy-associated diagnosis.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36415`	Collection of venous blood by venipuncture	Commonly performed immediately prior to the obstetric panel to obtain required specimens.
`84702`	Hepatitis B surface antigen (HBsAg), qualitative or quantitative	Component test within the obstetric panel to detect active hepatitis B infection; may be billed separately if panel components billed individually.
`86701`	HIV-1 antigen(s), with HIV-1 and HIV-2 antibody(s), single result	Represents the combined antigen/antibody HIV test required in the obstetric panel; may be reported separately in some workflows.
`86762`	Rubella antibody; IgG	The rubella IgG immunity test included in the obstetric panel; may be ordered individually for specific evaluation.
`86592`	Syphilis screen, qualitative (e.g., RPR, VDRL)	The qualitative nontreponemal syphilis test required in the obstetric panel; may be billed separately if performed outside the panel.

Related Codes

CPT-80047-BASIC-METABOLIC-PANEL-BMP

CPT 80047: Basic Metabolic Panel (BMP) Blood Test

CPT-80048-BASIC-METABOLIC-PANEL-BMP

CPT 80048: Basic Metabolic Panel (BMP) — Eight-Analyte Chemistry

CPT-80050-GENERAL-HEALTH-PANEL-SCREENING-LAB

CPT 80050: General Health Screening Laboratory Panel

CPT-80051-ELECTROLYTE-PANEL-NA-CL-K-CLO-CO2

CPT 80051: Electrolyte Panel (Na, K, Cl, CO2)

CPT-80053-COMPREHENSIVE-METABOLIC-PANEL-CMP

CPT 80053: Comprehensive Metabolic Panel (CMP)

CPT-80055-OBSTETRIC-PANEL-PRENATAL-LAB-TESTING

CPT 80055: Obstetric Panel for Prenatal Laboratory Evaluation

CPT-80061-LIPID-PANEL-CHOLESTEROL-TRIGLYCERIDES

CPT 80061: Lipid Panel — Cholesterol and Triglyceride Measurement

CPT-80069-RENAL-FUNCTION-PANEL-LAB-TEST

CPT 80069: Renal Function Panel, Blood Chemistry

CPT-80074-ACUTE-HEPATITIS-PANEL-SEROLOGY

CPT 80074: Acute Hepatitis Serology Panel

CPT-80076-HEPATIC-FUNCTION-PANEL-LIVER-CHEMISTRY

CPT 80076: Hepatic Function Panel (Liver Chemistry)

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

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

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	When billing only the physician/pathologist professional interpretation portion of a test that has a split technical/professional component.
`TC`	Technical component	When billing only the laboratory or facility portion (equipment, reagents, technician) of the test.
`90`	Reference (outside) laboratory	When specimens are sent to an outside independent laboratory for testing and the billing facility is reporting that subcontracted service.
`52`	Reduced services	When the obstetric panel is partially performed or components omitted for documented clinical reasons.
`59`	Distinct procedural service	When a separate, distinct lab service or specimen is billed the same day and must be identified as distinct from this panel.
`53`	Discontinued procedure	When specimen collection or testing is discontinued due to patient instability or inability to obtain specimen.
`22`	Increased procedural services	When laboratory testing required substantially greater resources or complexity than typical and documentation supports unusual circumstances.
`90`	Reference (outside) laboratory	When results are obtained from a subcontracted/reference lab — note: appears twice in modifier lists; use once as applicable.
`90`	Reference (outside) laboratory	When lab testing is performed by an outside commercial reference laboratory and the billing facility indicates that arrangement.
`QW`	CLIA waived test	If any component was performed as a waived test under CLIA and payer requires designation.

Taxonomy Code	Specialty	Notes
208D00000X	Obstetrics & Gynecology	Physicians who order and interpret prenatal laboratory panels.
207L00000X	Pathology	Laboratory directors or pathologists responsible for test validation and result interpretation.
334P00000X	Phlebotomy	Clinical laboratory professionals and phlebotomists who obtain specimens.
207K00000X	Clinical Laboratory	Clinical laboratory personnel performing testing and reporting results.
208M00000X	Family Medicine	Primary care physicians who provide prenatal care and order panels.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z34.90`	Encounter for supervision of normal pregnancy, unspecified, unspecified trimester	Routine initial or early prenatal visit indication for an obstetric panel.
`Z31.41`	Encounter for pregnancy test, result positive	Early confirmation of pregnancy prompting baseline prenatal laboratory testing.
`O09.90`	Supervision of high-risk pregnancy, unspecified, unspecified trimester	Indication for comprehensive obstetric testing when pregnancy is high risk.
`Z20.6`	Contact with and (suspected) exposure to HIV	Triggers HIV testing as part of obstetric infectious disease screening.
`Z11.3`	Encounter for screening for infections with a predominantly sexual mode of transmission	Supports syphilis and HIV screening in pregnancy.
`O98.890`	Other infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium	Represents maternal infections identified by panel that complicate pregnancy management.
`D50.9`	Iron deficiency anemia, unspecified	May be identified by the CBC component and is a common pregnancy-associated diagnosis.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36415`	Collection of venous blood by venipuncture	Commonly performed immediately prior to the obstetric panel to obtain required specimens.
`84702`	Hepatitis B surface antigen (HBsAg), qualitative or quantitative	Component test within the obstetric panel to detect active hepatitis B infection; may be billed separately if panel components billed individually.
`86701`	HIV-1 antigen(s), with HIV-1 and HIV-2 antibody(s), single result	Represents the combined antigen/antibody HIV test required in the obstetric panel; may be reported separately in some workflows.
`86762`	Rubella antibody; IgG	The rubella IgG immunity test included in the obstetric panel; may be ordered individually for specific evaluation.
`86592`	Syphilis screen, qualitative (e.g., RPR, VDRL)	The qualitative nontreponemal syphilis test required in the obstetric panel; may be billed separately if performed outside the panel.

Related Codes

CPT-80047-BASIC-METABOLIC-PANEL-BMP

CPT 80047: Basic Metabolic Panel (BMP) Blood Test

CPT-80048-BASIC-METABOLIC-PANEL-BMP

CPT 80048: Basic Metabolic Panel (BMP) — Eight-Analyte Chemistry

CPT-80050-GENERAL-HEALTH-PANEL-SCREENING-LAB

CPT 80050: General Health Screening Laboratory Panel

CPT-80051-ELECTROLYTE-PANEL-NA-CL-K-CLO-CO2

CPT 80051: Electrolyte Panel (Na, K, Cl, CO2)

CPT-80053-COMPREHENSIVE-METABOLIC-PANEL-CMP

CPT 80053: Comprehensive Metabolic Panel (CMP)

CPT-80055-OBSTETRIC-PANEL-PRENATAL-LAB-TESTING

CPT 80055: Obstetric Panel for Prenatal Laboratory Evaluation

CPT-80061-LIPID-PANEL-CHOLESTEROL-TRIGLYCERIDES

CPT 80061: Lipid Panel — Cholesterol and Triglyceride Measurement

CPT-80069-RENAL-FUNCTION-PANEL-LAB-TEST

CPT 80069: Renal Function Panel, Blood Chemistry

CPT-80074-ACUTE-HEPATITIS-PANEL-SEROLOGY

CPT 80074: Acute Hepatitis Serology Panel

CPT-80076-HEPATIC-FUNCTION-PANEL-LIVER-CHEMISTRY

CPT 80076: Hepatic Function Panel (Liver Chemistry)

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

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

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CPT 80081: Obstetric Panel for Prenatal Screening

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Billing Code Overview

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CPT 80081: Obstetric Panel for Prenatal Screening

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 80081: Obstetric Panel for Prenatal Screening

Sign up for cpt 80081 policy alerts

Billing Code Overview

CPT 80081: Obstetric Panel for Prenatal Screening

Sign up for cpt 80081 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What tests are included in CPT 80081 and what is the clinical purpose of the panel?

Which billing modifiers are applicable to CPT 80081 and when are they used?

Are there specific CPT codes related to components of the obstetric panel that might also appear on claims?

Which ICD-10 diagnosis codes are commonly associated with ordering CPT 80081?

Which payers commonly cover CPT 80081, and does the page provide specific reimbursement amounts?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What tests are included in CPT 80081 and what is the clinical purpose of the panel?

Which billing modifiers are applicable to CPT 80081 and when are they used?

Are there specific CPT codes related to components of the obstetric panel that might also appear on claims?

Which ICD-10 diagnosis codes are commonly associated with ordering CPT 80081?

Which payers commonly cover CPT 80081, and does the page provide specific reimbursement amounts?

References