CDI Program Overview
Clinical Documentation Improvement (CDI) programs aim to ensure that clinical documentation accurately reflects the severity of illness, complexity of care, and resource utilization for each patient encounter. CDI programs bridge the gap between clinical care and the coded data used for reimbursement, quality reporting, and compliance.
CDI Program Goals
- Accurate reimbursement: Ensure documentation supports appropriate DRG assignment and reflects true resource consumption
- Quality reporting accuracy: Improve the reliability of publicly reported quality metrics (mortality, readmissions, patient safety indicators)
- Risk adjustment: Capture all relevant conditions affecting severity of illness and risk of mortality
- Regulatory compliance: Ensure documentation and coding practices meet payer and regulatory requirements
- Data integrity: Improve the overall quality of clinical data for analytics, research, and decision-making
- Denial prevention: Reduce documentation-related claim denials
The Query Process
A physician query is a written communication to a provider requesting clarification or additional documentation. Queries are the primary tool CDI specialists use to improve documentation.
Types of Queries
| Query Type | Format | When Used |
|---|---|---|
| Open-ended | Asks the physician to document a diagnosis or condition without suggesting specific options | When clinical indicators clearly support a condition but no diagnosis is documented |
| Multiple choice | Provides a list of clinically supported options plus "other" and "clinically undetermined" | When clinical evidence supports multiple possible diagnoses |
| Yes/No | Asks for confirmation of a specific condition or relationship | When one diagnosis is strongly supported and confirmation is needed |
| Verbal | Informal, in-person communication with the provider | Urgent situations; should be followed by documentation in the record |
Compliant Query Guidelines (AHIMA/ACDIS)
Queries must be compliant with ethical and legal standards. A compliant query should be:
- Relevant: Based on clinical indicators present in the medical record
- Non-leading: Should not direct the physician to a specific diagnosis - must allow the physician to use independent clinical judgment
- Supported by clinical evidence: Must reference specific clinical indicators (lab values, vital signs, medications, imaging results)
- Open to all clinically valid responses: Must include options such as "other" and "clinically undetermined" or "unable to determine"
- Documented as part of the health record: Queries and responses become part of the legal medical record
- Not used solely to increase reimbursement: Must serve a legitimate clinical documentation purpose
Documentation Improvement Targets
| Target Area | Why It Matters | Examples |
|---|---|---|
| Diagnostic Specificity | More specific diagnoses lead to more accurate coding and DRG assignment | Acute systolic heart failure vs. heart failure unspecified; type and site of fracture; type of diabetes with complications |
| Present on Admission (POA) | Conditions present at admission are distinguished from hospital-acquired conditions; affects quality metrics and payment | Pressure ulcers, infections, falls - must be documented as POA or not POA |
| Severity of Illness (SOI) | Reflects how sick the patient is at admission; affects APR-DRG classification and risk-adjusted outcomes | Documenting acute organ dysfunction, sepsis criteria, specific stages of disease |
| Risk of Mortality (ROM) | Reflects the likelihood of death; impacts quality reporting and expected mortality rates | Documenting conditions that increase mortality risk (shock, respiratory failure, multi-organ failure) |
| CC/MCC Capture | Qualifying complications and comorbidities increase DRG weight and reimbursement | Acute kidney injury, malnutrition, encephalopathy, respiratory failure |
| Principal Diagnosis Accuracy | Drives DRG assignment; must be the condition chiefly responsible for admission after study | Sepsis vs. pneumonia as principal diagnosis; clarifying the reason for admission |
CDI Metrics and KPIs
| Metric | Description |
|---|---|
| Query Rate | Number of queries issued per number of records reviewed |
| Query Response Rate | Percentage of queries answered by physicians |
| Query Agreement Rate | Percentage of queries where the physician agrees with the suggested documentation clarification |
| CC/MCC Capture Rate | Percentage of cases with CCs or MCCs before and after CDI review |
| Case Mix Index (CMI) Impact | Change in CMI attributable to CDI program activities |
| DRG Change Rate | Percentage of cases where CDI activity resulted in a DRG change |
| Review Rate | Percentage of eligible admissions reviewed by CDI staff |
| Revenue Impact | Estimated additional revenue captured through CDI activities |
Physician Engagement Strategies
- Education: Provide ongoing education about documentation requirements and their impact on quality scores and reimbursement
- Feedback: Share individual and department-level performance data with physicians
- Champions: Identify physician champions who advocate for documentation improvement among peers
- Integration: Embed CDI specialists in clinical areas for real-time, face-to-face interaction with providers
- Technology: Use EHR-based documentation templates, prompts, and alerts to guide complete documentation
- Leadership support: Obtain visible support from medical staff leadership and administration
- Respectful approach: Frame queries as clinical clarification, not coding or billing requests
CDI Program Staffing
- CDI specialists are typically registered nurses (RNs) or credentialed coders with clinical knowledge
- Common credentials include CCDS (Certified Clinical Documentation Specialist) and CDIP (Clinical Documentation Improvement Practitioner)
- CDI programs may be housed under HIM, case management, quality, or finance departments
- Concurrent (during the stay) review is more effective than retrospective (after discharge) review