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    v1.0.28
    OpenPayerBilling CodesAnesthesia for Obstetric ProceduresCPT cpt-01958-anesthesia-external-cephalic-version
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    CPT 01958: Anesthesia for External Cephalic Version

    Commercial payers pay $71 on average nationally for this procedure.

    CPT code 01958 describes anesthesia services provided for an external cephalic version procedure, a service in which anesthesia is administered to facilitate turning a breech fetus to a cephalic presentation; service type: anesthesia for obstetric maneuver; typical site of service: labor and delivery or obstetric procedure suite in a hospital or birthing center.

    For related coverage guidance, see recent payer policy updates: Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders.

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    National Reimbursement Benchmarks

    National commercial reimbursement for CPT 01958 centers around BUCA’s average commercial rate of $70.80, with individual payer means varying notably. Cigna posts the highest mean at $96.50 while Aetna, Blue Cross Blue Shield, and UnitedHealth Group cluster in the mid-$60s ($67.10, $64.50, $67.40 respectively). Blue Cross Blue Shield and Aetna show high-end outliers (maxes near $199 and $192) and low-end minimums down to single digits for some payers, indicating broad ceiling and floor differences across carriers.

    Dispersion measured as the interquartile range (P75–P25) highlights variability: Cigna’s IQR is $58.00 ($125.00–$68.40), the widest, followed by Aetna at $50.70 ($90.70–$40.00) and BUCA at $41.20 ($90.00–$48.80). UnitedHealth Group is the tightest with an IQR of $28.90 ($80.90–$52.00), while Blue Cross Blue Shield’s IQR is $36.60 ($81.00–$44.40). These differences signal that payer-specific contract bands vary substantially, with Cigna showing the broadest middle spread and UnitedHealth Group the narrowest.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 32-year-old G2P1 at 37 weeks gestation presents for an attempted external cephalic version (ECV) because the fetus remains in breech presentation noted on recent ultrasound. The procedure is scheduled in the obstetric unit with continuous fetal monitoring and immediate access to cesarean delivery resources. An obstetrician performs the version while an anesthesiologist provides anesthesia services coded as 01958.

    Pre-procedure workflow includes confirmation of fetal presentation with ultrasound, maternal informed consent, baseline maternal vital signs, and electronic fetal monitoring. The anesthesiologist evaluates the patient for anesthesia options (e.g., neuraxial analgesia such as a single-shot spinal or epidural catheter top-up, or monitored anesthesia care with intravenous agents) and documents risks and plan. During the ECV, anesthesia may be used to provide maternal relaxation and analgesia, improve uterine relaxation with adjunctive tocolytics, and permit successful manipulation. Continuous maternal and fetal monitoring continues throughout. If ECV is successful, the patient is monitored and may proceed to planned vaginal delivery; if unsuccessful or if fetal distress occurs, the team proceeds to cesarean delivery with anesthesia transitioned to appropriate obstetric anesthesia code as indicated.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    01960Anesthesia for vaginal delivery

    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…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    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…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    207LA0401XAddiction Medicine (Anesthesiology) PhysicianAn anesthesiologist who specializes in the diagnosis and treatment of addictions.
    207LC0200XCritical Care Medicine (Anesthesiology) PhysicianAn anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialis…
    1223P0106XOral and Maxillofacial Pathology DentistryThe specialty of dentistry and discipline of pathology that deals with the nature, identification, and management of diseases affecting the oral and m…
    163WE0003XEmergency Registered NurseNursing Service Providers · Registered Nurse
    227800000XCertified Respiratory TherapistA Certified Respiratory Therapist (CRT) is a an entry level therapist who has passed a standardized written examination administered by the National B…
    172V00000XCommunity Health WorkerCommunity health workers (CHW) are lay members of communities who work either for pay or as volunteers in association with the local health care syste…
    2471C3401XComputed Tomography Radiologic TechnologistA radiologic technologist who specializes in computed tomography (CT) and is appropriately educated and trained, consistent with nationally recognized…

    Related ICD-10-CM Codes

    19 rows

    ICD-10-CM CodeDescription
    O32.0XX0Maternal care for unstable lie, not applicable or unspecified
    O32.0XX1Maternal care for unstable lie, fetus 1
    O32.0XX2Maternal care for unstable lie, fetus 2
    O32.1XX0Maternal care for breech presentation, not applicable or unspecified
    O32.1XX1Maternal care for breech presentation, fetus 1
    O32.1XX2Maternal care for breech presentation, fetus 2
    O32.1XX3Maternal care for breech presentation, fetus 3
    O32.1XX4Maternal care for breech presentation, fetus 4
    O34.211Maternal care for low transverse scar from previous cesarean delivery
    O34.212Maternal care for vertical scar from previous cesarean delivery

    Showing 1–10 of 19

    Related Payer Policy Updates

    Specialty: Anesthesiology1 / 2

    7 rows

    PolicyPayerEffective Date
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Elective Inpatient Services (for Idaho Only)UnitedHealthcare2026-06-01
    Sites of Servicepriority health2026-06-01
    Coverage for Ambulatory Surgery Unit (ASU)/Outpatient Facility and Anesthesia for Dental Servicesuniverahealthcare2026-05-21

    Related Codes

    CPT-01960-ANESTHESIA-FOR-VAGINAL-DELIVERY

    CPT 01960: Anesthesia for Vaginal Delivery

    CPT-01961-ANESTHESIA-FOR-CESAREAN-DELIVERY

    CPT 01961: Anesthesia for Cesarean Delivery

    CPT-01962-URGENT-POSTPARTUM-HYSTERECTOMY-ANESTHESIA

    CPT 01962: Anesthesia for Urgent Postpartum Hysterectomy

    CPT-01963-CESAREAN-HYSTERECTOMY-ANESTHESIA

    CPT 01963: Anesthesia for Cesarean Hysterectomy

    CPT-01965-ANESTHESIA-FOR-INCOMPLETE-MISSED-ABORTION

    CPT 01965: Anesthesia for Incomplete or Missed Abortion

    CPT-01966-ANESTHESIA-FOR-INDUCED-ABORTION

    CPT 01966: Anesthesia for Induced Abortion Procedure

    CPT-01967-NEURAXIAL-ANESTHESIA-PLANNED-VAGINAL-DELIVERY

    CPT 01967: Neuraxial Anesthesia for Planned Vaginal Delivery

    CPT-01968-CESAREAN-DELIVERY-ANESTHESIA-AFTER-NEURAXIAL

    CPT 01968: Anesthesia for Cesarean Delivery After Neuraxial Anesthetic

    CPT-01969-CESAREAN-HYSTERECTOMY-AFTER-NEURAXIAL-ANESTHESIA

    CPT 01969: Anesthesia for Cesarean Hysterectomy After Neuraxial Anesthesia

    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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    May be billed for anesthesia services when a patient proceeds to vaginal delivery after successful ECV; distinct from ECV anesthesia 01958.
    01968Anesthesia for cesarean delivery (after neuraxial anesthetic)Billed if ECV leads to cesarean delivery or if an emergent cesarean is required after attempted ECV; represents transition to operative obstetric anesthesia.