Summary & Overview
HCPCS G8774: Serum Creatinine Test Result Documented and Reviewed
HCPCS Level II code G8774 denotes documentation and review of a serum creatinine test result, signaling completion of a routine kidney function check in the patient record. Nationally, standardized documentation of laboratory results supports quality measurement, care coordination, and appropriate clinical follow-up for patients with renal risk factors or chronic conditions. The code captures a discrete documentation event rather than the laboratory assay itself, making it relevant to clinicians, quality programs, and payers focused on outcome tracking and record completeness.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code's clinical context, common sites of service, and what the code signifies for quality reporting and administrative workflows. The publication outlines expected benchmarks and utilization considerations where available, recent policy and billing updates impacting lab-result documentation, and practical notes on how G8774 interacts with laboratory services and electronic health record workflows. This summary is intended for a national audience of clinicians, practice managers, and reimbursement analysts seeking clarity on the purpose and administrative use of HCPCS Level II code G8774.
Billing Code Overview
HCPCS Level II code G8774 indicates that a serum creatinine test result was documented and reviewed. This represents a clinical documentation activity confirming that a laboratory serum creatinine result has been recorded and evaluated in the patient record.
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Service type: Clinical documentation and laboratory test result review
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Typical site of service: Outpatient clinic or ambulatory setting where laboratory results are reviewed and documented
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with chronic kidney disease, hypertension, diabetes mellitus, or suspected acute kidney injury who has had a serum creatinine laboratory test performed and the result documented and reviewed in the medical record. The clinical workflow: a phlebotomist or clinic nurse draws blood and sends the sample to the laboratory. The laboratory processes the specimen and posts the serum creatinine result in the electronic health record. A clinician (primary care physician, nephrologist, or urgent care provider) reviews the result, documents interpretation (for example, stable creatinine, change from prior value, or evidence of decline in renal function), and records any plan (dose adjustment, medication hold, repeat testing, or referral). The documentation includes date/time of review and clinician signature or authentication, enabling billing with G8774 for the documented and reviewed serum creatinine test result when applicable under payor policies.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the professional component of a diagnostic test when separate technical and professional components exist and are billed separately. |
TC |