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    v1.0.28
    OpenPayerBilling CodesAlcohol and Drug Abuse TreatmentHCPCS hcpcs-h1001-prenatal-at-risk-antepartum-management
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    HCPCS H1001: Prenatal At-Risk Enhanced Service, Antepartum Management

    HCPCS Level II code H1001 describes an at-risk prenatal care enhanced service focused on antepartum management, typically delivered as enhanced prenatal care services in outpatient obstetrics clinics, community health centers, or home-based prenatal programs to manage high-risk pregnancies through care coordination, monitoring, and education during the antepartum period.

    For related coverage guidance, see recent payer policy updates: Home Health, Skilled, and Custodial Care Services (for Idaho Only), Private Duty Nursing Services, Private Duty Nursing Services (for Florida Only).

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    Clinical & Coding Specifications

    Clinical Context

    A 28-year-old gravida 2 para 1 patient at 20 weeks gestation is identified as high-risk due to pregestational type 1 diabetes and a history of preterm delivery. She is enrolled in an enhanced prenatal program billed under H1001 for antepartum management. The clinical workflow begins with an initial enhanced prenatal intake visit by a maternal-fetal medicine (MFM) nurse or midlevel provider to document obstetric history, medication review, social determinants of health, and care plan needs. The patient receives individualized counseling on glycemic control, referral for nutrition and diabetes education, and scheduling of more frequent surveillance (serial ultrasounds and nonstress tests as indicated). Care coordination is documented, including communication with the endocrinologist, primary obstetric provider, and social work for transportation assistance. Ongoing antepartum management under H1001 includes periodic enhanced visits, review of test results, adjustment of the management plan, and documentation of specific risk mitigation steps (e.g., intensification of fetal surveillance, corticosteroid planning if preterm birth risk increases). Billing for H1001 is used when documented enhanced prenatal services are delivered to an at-risk pregnant individual and should be supported by contemporaneous clinical notes, care coordination entries, and specific interventions tied to the identified risks.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    59425Antepartum care only; 4–6 visits, routine obstetric care, antepartum care onlyMay be billed for routine antepartum visit bundles when enhanced services are not separately reported; documents standard antepartum visit frequency that can accompany enhanced management.
    59426Delivery/delivery only (separate procedure)Separates delivery billing from antepartum enhanced services; used when delivery is billed independently of antepartum management under H1001.
    76805Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, single or first gestationFrequently ordered as part of enhanced antepartum surveillance for at-risk pregnancies managed under H1001.
    59025Fetal non-stress test (NST), with interpretation and reportUsed for fetal surveillance in high-risk antepartum management and often scheduled alongside enhanced prenatal services.
    99406Smoking and tobacco use cessation counseling visit, intermediate, 3–10 minutesBehavioral intervention commonly provided or documented during enhanced prenatal visits when relevant to risk reduction.
    G0444Annual depression screening, 15 minutesMental health screening code that may be used during enhanced prenatal care to identify perinatal mood disorders and trigger care coordination.

    Related Modifiers

    9 rows

    ModifierDescriptionWhen to Use
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    23Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    54Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
    55Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207RH0000XHematology (Internal Medicine) PhysicianAn internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, cl…
    207RM1200XMagnetic Resonance Imaging (MRI) Internal Medicine PhysicianThe NUCC recommends this code not be used. Choose a more appropriate code.<br/>
    363L00000XNurse Practitioner(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision mak…
    367A00000XAdvanced Practice MidwifeAdvanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproduc…
    261QM0850XAdult Mental Health Clinic/CenterAn entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disord…
    213ES0000XSports Medicine PodiatristPodiatric Medicine & Surgery Service Providers · Podiatrist
    207WX0107XRetina Specialist (Ophthalmology) PhysicianAn ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
    261QR1300XRural Health Clinic/CenterAmbulatory Health Care Facilities · Clinic/Center

    Related Payer Policy Updates

    Specialty: Home Health & Hospice1 / 3

    10 rows

    PolicyPayerEffective Date
    Home Health, Skilled, and Custodial Care Services (for Idaho Only)UnitedHealthcare2026-08-01
    Private Duty Nursing ServicesColorado Rocky Mountain Health Plans2026-08-01
    Private Duty Nursing Services (for Florida Only)Colorado Rocky Mountain Health Plans2026-08-01
    Private Duty Nursing Services (for New Jersey Only)UnitedHealthcare2026-08-01
    Private Duty Nursing Services (for Kentucky Only)UnitedHealthcare2026-08-01
    Private Duty Nursing Services (for New Mexico Only)UnitedHealthcare2026-08-01
    Private Duty Nursing Services (for Kansas Only)UnitedHealthcare2026-08-01
    Private Duty Nursing ServicesColorado Rocky Mountain Health Plans2026-08-01
    Home Health, Skilled, and Custodial Care Services (for Ohio Only)UnitedHealthcare2026-08-01
    Home Health, Skilled, and Custodial Care ServicesColorado Rocky Mountain Health Plans2026-07-01

    Related Codes

    HCPCS-H0001-ALCOHOL-DRUG-ASSESSMENT-OUTPATIENT

    HCPCS H0001: Alcohol and/or Drug Assessment

    HCPCS-H0002-BEHAVIORAL-HEALTH-SCREENING-ADMISSION-ELIGIBILITY

    HCPCS H0002: Behavioral Health Screening for Treatment Admission

    HCPCS-H0003-ALCOHOL-DRUG-SCREENING-LAB-ANALYSIS

    HCPCS Level II H0003: Alcohol and/or Drug Screening Laboratory Analysis

    HCPCS-H0004-BEHAVIORAL-HEALTH-COUNSELING-15-MINUTE

    HCPCS H0004: Behavioral Health Counseling and Therapy, per 15 Minutes

    HCPCS-H0005-GROUP-COUNSELING-SUBSTANCE-USE-CLINICIAN

    HCPCS H0005: Alcohol and/or Drug Group Counseling by Clinician

    HCPCS-H0006-ALCOHOL-DRUG-CASE-MANAGEMENT

    HCPCS H0006: Alcohol and/or Drug Services, Case Management

    HCPCS-H0007-ALCOHOL-DRUG-CRISIS-INTERVENTION-OUTPATIENT

    HCPCS H0007: Alcohol and/or Drug Crisis Intervention (Outpatient)

    HCPCS-H0008-SUB-ACUTE-DETOXIFICATION-HOSPITAL-INPATIENT

    HCPCS H0008: Alcohol and/or Drug Sub-Acute Detoxification (Inpatient)

    HCPCS-H0009-ACUTE-DETOXIFICATION-HOSPITAL-INPATIENT

    HCPCS Level II H0009: Acute Detoxification, Hospital Inpatient

    HCPCS-H0010-SUB-ACUTE-RESIDENTIAL-DETOXIFICATION

    HCPCS H0010: Sub-Acute Detoxification, Residential Inpatient

    Showing 1–10 of 93

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    Frequently Asked Questions

    References

    1. 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. 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. 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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