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    v1.0.30
    OpenPayerPolicy UpdatesMedStar Family Choice, IncMedStar MD Observation Billing Update | OpenPayer
    Ask Trek AI about this page
    CurrentMedStar Family Choice MarylandPolicy N/A

    Provider Alert: Direct Admission for Hospital Observation Services (HCPCS G0379)

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    Reimbursement and billing requirements for direct hospital observation admissions reported with HCPCS G0379, including coding, same-day billing, observation-time, service-exclusion, and documentation requirements.

    Policy Summary
    PayerMedStar Family Choice Maryland
    PolicyDirect Admission for Hospital Observation Services
    Policy CodePolicy N/A
    Change TypeBilling rule update
    Effective DateApril 6, 2026
    Next Review DateN/A
    Key ActionSubmit HCPCS G0379 on the same date of service as HCPCS G0378.
    SourceLink
    POLICY UPDATE CHANGES

    Direct admissions for hospital observation billed with HCPCS G0379 and Revenue code 0762 are subject to denial when total observation time is less than 8 hours.

    8 hoursMinimum observation time
    24 hoursMaximum observation time
    G0379HCPCS code
    0762Revenue code

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    Same date
    G0379 and G0378 submission

    Reimbursement Requirements and Denial Conditions

    Requirements for reimbursement

    Reimbursement for direct admission hospital observation services billed with G0379 requires all applicable criteria below.

    ALL of the following

    • Qualifying direct observation admission

      • The observation care results from a direct referral or admission after the enrollee was seen by a physician in the community.
      • There is no associated emergency room visit, hospital outpatient clinic visit, or critical care service on the day observation begins.

    • Billing requirements

      • Bill HCPCS G0379 with Revenue code 0762 and submit HCPCS G0378 on the same date of service.
      • Report at least 8 hours and no more than 24 hours of observation services.>= 8 hours and <= 24 hours
      • Report the proper number of units, with one unit equal to one hour of observation services, and round reported hours to the nearest hour.
    • Medical records clearly support medical necessity, observation start and stop times, and the clinical rationale for monitoring to determine whether inpatient admission or additional treatment is needed.

    Denial and nonpayment conditions

    The claim is subject to denial or nonpayment when any applicable exclusion or requirement is present.

    Any of the following conditions

    • Total observation time is less than 8 hours.< 8 hours
    • HCPCS G0379 is not submitted on the same date of service as HCPCS G0378.
    • HCPCS G0379 is reported with same-day critical care services, a clinic service, an emergency department visit, or a service assigned CMS IOCE status indicator T or V.
    • The observation criteria, required time limit, or medical record support is not met.

    Billing and Coding Requirements

    Required observation HCPCS codesHCPCSCovered
    G0379Direct admission for hospital observation services
    G0378Observation services code that must be submitted on the same date of service as G0379
    Required Revenue codeRevenueCovered
    0762Observation Room Revenue code required with G0379
    Same-day CMS IOCE exclusionsmixedNot Covered
    TCMS IOCE status indicator that makes G0379 not separately payable when reported on the same date of service
    VCMS IOCE status indicator that makes G0379 not separately payable when reported on the same date of service
    Minimum Observation Time
    Minimum observation time8 hours
    Maximum Observation Time
    Maximum observation time24 hours
    Observation Units
    Unit conversion1 unit equals 1 hour of observation services
    Reporting Observation Hours

    Provider Billing and Documentation Actions

    Billing Rule

    Use G0379 only for qualifying direct observation admissions

    Report HCPCS G0379 only when the enrollee is admitted directly to hospital observation after being seen by a physician in the community, without an associated emergency room visit, hospital outpatient clinic visit, or critical care service on the day observation begins.

    Billing Rule

    Submit G0379 and G0378 on the same date

    Submit HCPCS G0379 on the same date of service as HCPCS G0378. G0379 is not reimbursable when it is not submitted on the same date as G0378.

    Billing Rule

    Meet observation billing requirements

    Key Terms

    Direct Admission for Observation
    Direct admission for observationAn observation service resulting from a direct referral or admission for observation care without an associated emergency room visit, hospital outpatient clinic visit, or critical care service on the day observation begins.
    Qualifying Direct Observation Admission
    Qualifying direct observation admissionAn enrollee admitted directly to observation care after being seen by a physician in the community.
    Observation Services Medical Necessity
    Observation services medical necessityClinical monitoring supported by medical necessity documentation, including observation start and stop times and the clinical rationale for monitoring, to determine whether inpatient admission or additional treatment is needed.
    Policy Summary
    PayerMedStar Family Choice Maryland
    PolicyDirect Admission for Hospital Observation Services
    Policy CodePolicy N/A
    Change TypeBilling rule update
    Effective DateApril 6, 2026
    Next Review DateN/A
    Key ActionSubmit HCPCS G0379 on the same date of service as HCPCS G0378.
    SourceLink
    On This Page
    Reimbursement Requirements and Denial ConditionsBilling and Coding RequirementsProvider Billing and Documentation ActionsKey Terms
    Hour reportingRound observation hours to the nearest hour

    Bill HCPCS G0379 with Revenue code 0762 and report the proper number of units. Observation services must include at least 8 hours and no more than 24 hours, with hours rounded to the nearest hour.

    • One unit equals one hour of observation services.
    • Round reported observation hours to the nearest hour.
    Documentation Required

    Document medical necessity and observation times

    Maintain medical records that clearly support the medical necessity of observation services, including observation start and stop times and the clinical rationale for monitoring to determine the need for inpatient admission or additional treatment.

    • Document medical necessity.
    • Record observation start and stop times.
    • Document the clinical rationale for monitoring.
    Denial Risk

    Avoid denial conditions

    Claims are subject to denial when total observation time is less than 8 hours, when observation criteria or required time limits are not met, or when G0379 is reported with same-day critical care, clinic, emergency department, or a service assigned CMS IOCE status indicator T or V.

    • Do not report less than 8 hours of observation.
    • Do not exceed the 24-hour observation limit.
    • Ensure G0379 and G0378 are submitted on the same date of service.