CurrentArizona Complete HealthPolicy CC.PP.073

Payment Policy: Sepsis Diagnosis

Governs documentation, coding validation, and pre-/post-pay review for inpatient hospital claims with a sepsis diagnosis for Arizona Complete Health members aged 18 and older.

Policy Summary

PayerArizona Complete Health

PolicyPayment Policy: Sepsis Diagnosis

Policy CodePolicy CC.PP.073

Change TypeNo material changes

Effective Date

Next Review DateNov 20, 2025

Key ActionProvide complete inpatient medical record documentation, including SOFA score and treatments (blood cultures, antibiotics, fluids) when requested for pre- or post-pay review.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

≥18member age applicability

SOFA ≥2SOFA threshold

60 daysclinical review turnaround

>40%septic shock mortality

Sepsis Documentation, Validation, and Coverage Rules

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Physician or licensed independent practitioner must clearly document the sepsis diagnosis and supporting clinical information in the inpatient medical record.

Documentation requirement per policy overview and documentation requirements.

Sepsis must be operationalized per Sepsis‑3: life‑threatening organ dysfunction caused by a dysregulated host response to infection.

Clinical definition referenced for validation.

Organ dysfunction supporting a sepsis diagnosis must be demonstrable as an increase in SOFA score of two points or more from the member's baseline (when baseline not provided, an imputed baseline using current records and the SOFA tool will be used).

SOFA ≥2 requirement and imputation approach.

Medical record must document treatment directed at sepsis, such as blood cultures, appropriate antibiotics, and fluid management (example: actions to maintain mean arterial pressure >70 mmHg).

Treatment evidence required in documentation.

SIRS, SEP‑1, and qSOFA will not be used to validate a sepsis diagnosis.

Excluded definitions for validation.

Claims with a sepsis diagnosis are subject to pre‑ or post‑pay review; when potential billing error is identified, the Health Plan will request medical records for validation.

Audit initiation and medical record request process.

Once records are received, certified professional coders and clinicians will clinically validate that the medical record contains necessary information and that the billed diagnosis is supported by clinical information and interventions.

Clinical validation workflow and roles.

If sepsis was diagnosed/billed in error following review, the Health Plan will issue an audit determination letter with explanation and instructions for dispute submission.

Notification and dispute process.

Clinical validation review will be completed within 60 days from receipt of medical records, and explanation codes will be communicated on the Explanation of Payment (EOP) at conclusion of review.

Turnaround time and EOP communication.

inv-02: Coverage guidance and precedence

Coverage and payment determinations follow this policy in conjunction with the member’s plan documents and any applicable state or federal requirements.

This payment policy is a guide to payment determinations and does not constitute a contract or guarantee of payment; coverage and payment are subject to the terms, conditions, exclusions and limitations of the member's coverage documents and plan‑level policies.

Policy purpose and limitations; plan documents govern.

Precedence: When state Medicaid coverage provisions conflict with this payment policy, state Medicaid provisions take precedence.

State Medicaid precedence for Medicaid members/enrollees.

Precedence: For Medicare members/enrollees, applicable Medicare National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs) should be reviewed and take precedence where applicable.

Medicare NCD/LCD coordination and precedence.

Providers are expected to exercise professional medical judgment; this policy is not intended to dictate clinical care and providers remain responsible for medical treatment decisions.

Provider responsibilities and limits of the policy.

ICD-10 Codes, Clinical Thresholds, and Coding Notes

ICD-10 sepsis and related codesICD-10

R65.20	Severe sepsis without septic shock
R65.21	Severe sepsis with septic shock
A41.9	Sepsis, unspecified organism
T81.44XA	Sepsis following a procedure, initial encounter

Referenced ICD-10 code updatesICD-10

A41.54	Diagnosis code added to ICD-10 table (as noted in revision history)
T81.44XA	Code added earlier to ICD-10 coding table (referenced in revision history)

SOFA increase threshold

SOFA increase thresholdIncrease in SOFA score of 2 points or more from baseline

Operational representationOrgan dysfunction supporting sepsis diagnosis can be represented by a SOFA increase ≥2 from baseline

Documentation requirementPhysician or licensed independent practitioner must document SOFA-based organ dysfunction in the inpatient record

SOFA components referenceSee Table 1 for SOFA component scoring (respiration, coagulation/platelets, liver/bilirubin, cardiovascular/MAP and vasopressor dosing) used to calculate score

Septic shock identification criteria

Septic shock clinical criteriaRequirement for vasopressor(s) to maintain mean arterial pressure ≥65 mm Hg AND serum lactate >2 mmol/L in the absence of hypovolemia

Context of identificationSeptic shock is a subset of sepsis with profound circulatory, cellular, and metabolic abnormalities and higher mortality risk

Source guidanceCriteria based on Sepsis-3 recommendations endorsed by SCCM and ESICM task force

Associated mortalityCombination of these criteria is associated with hospital mortality rates >40%

Organ dysfunction threshold

Organ dysfunction thresholdIncrease in SOFA score of ≥2 points from baseline

Mortality associationSOFA increase ≥2 is associated with in-hospital mortality >10%

Use for reimbursement validationSOFA-based increase is used to operationalize organ dysfunction for sepsis diagnosis on inpatient claims

Provider Responsibilities, Reviews, and Coordination

Documentation Required

Pre- and post-pay review and medical record requests

Claims with a sepsis diagnosis will be reviewed on either a pre- or post-pay basis. When a potential billing error is identified, the Health Plan will request medical records to validate the diagnosis and procedure codes billed on the claim. Once the medical record is received, certified professional coders and clinicians will clinically validate the documentation to ensure the medical record contains the necessary information and that the diagnosis billed on the claim is supported by the clinical information in the medical record, including medical interventions. After review, the Health Plan will issue an audit determination letter to the provider if sepsis was diagnosed/billed in error; the letter will explain the determination and provide details for submitting a dispute if the provider disagrees. The clinical validation review will be completed within 60 days from receipt of medical records. Explanation codes will be sent to the provider on the Explanation of Payment (EOP) at the conclusion of the review.

Review timeframe: clinical validation completed within 60 days of receipt of medical records
Providers will receive an audit determination letter and EOP explanation codes after review

Note

Provider responsibilities and policy purpose

Providers are expected to exercise professional medical judgment in providing the most appropriate care and are solely responsible for the medical advice and treatment of members/enrollees. This payment policy is a guide to payment and is not intended to dictate clinical practice, constitute medical advice, or guarantee payment. Providers referred to in this policy are independent contractors and are not agents or employees of the Health Plan.

Note

Coordination with Medicaid/Medicare rules

Coordination with government programs: For Medicaid members/enrollees, when state Medicaid coverage provisions conflict with this payment policy, state Medicaid provisions take precedence; refer to the applicable state Medicaid manual for coverage details. For Medicare members/enrollees, review all applicable Medicare National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs) prior to applying the criteria in this payment policy to ensure consistency; refer to the CMS website (http://www.cms.gov) for more information.

Medicaid precedence: state Medicaid manual governs when conflicts exist
Medicare consistency: review applicable NCDs and LCDs before applying this policy

Key Definitions and Operational Criteria

Sepsis

DefinitionLife‑threatening organ dysfunction caused by a dysregulated host response to infection

Operational SOFA definitionFor clinical operationalization, organ dysfunction can be represented by an increase in SOFA score of two points or more from baseline

Clinical significanceSepsis is the primary cause of death from infection when not recognized and treated promptly

DRG / Inpatient Prospective Payment System

DRG definitionPatient classification scheme that relates patient type (case mix) to hospital costs and is used for inpatient payment classification

IPPS definitionInpatient Prospective Payment System: Medicare reimbursement method where payments are based on a predetermined, fixed amount tied to classifications such as DRGs

PurposeUsed to standardize hospital payment amounts based on severity of illness, prognosis, treatment difficulty, need for intervention, and resource intensity

Sepsis (operational)

Operational sepsis definitionOrgan dysfunction represented by an increase in SOFA score of ≥2 points from baseline

Associated mortalitySOFA increase ≥2 is associated with in‑hospital mortality greater than 10%

Sepsis-3 basisDefinition derived from the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3)

Septic shock

Septic shock definitionSubset of sepsis with profound circulatory, cellular, and metabolic abnormalities

Clinical identificationPatients requiring vasopressors to maintain MAP ≥65 mm Hg and with serum lactate >2 mmol/L in the absence of hypovolemia

Mortality contextThis combination of criteria is associated with hospital mortality rates >40%