Summary & Overview
CPT 97803: Dietary Reassessment, Subsequent Medical Nutrition Therapy
Headline: CPT code 97803: Follow-up Medical Nutrition Therapy for Dietary Reassessment
Lead: CPT code 97803 captures 15-minute increments of individualized dietary reassessment and diet therapy delivered on subsequent visits. The code is central to documenting ongoing medical nutrition therapy for patients with chronic conditions where diet modification affects disease management.
CPT code 97803 represents a structured reassessment visit in which a provider reviews progress, modifies therapeutic diet plans, and addresses symptoms related to nutritional interventions. Nationally, accurate use of the code affects coverage determinations, longitudinal care documentation, and tracking of outcomes for conditions influenced by diet, such as diabetes, cardiovascular disease, and gastrointestinal disorders. Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will learn how CPT code 97803 is defined clinically and operationally, which payers commonly cover the service, and what information is typically included in a subsequent medical nutrition therapy visit. The publication also summarizes benchmarks and policy context relevant to reimbursement and documentation without prescribing clinical actions. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 97803 represents a dietary reassessment and diet therapy service provided by a qualified practitioner who reassesses a patient's dietary needs and delivers specific diet therapy for medical conditions and related symptoms. This code describes an individual, subsequent visit where the provider evaluates progress and adjusts the therapeutic diet as needed. Each unit of CPT code 97803 represents 15 minutes of face-to-face reassessment time on a follow-up visit with the patient.
Service Type: Medical Nutrition Therapy – Subsequent/Reassessment Visit
Typical Site of Service: Outpatient clinic, medical office, or other ambulatory care setting where individualized dietitian or nutrition counseling is provided.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 58-year-old with type 2 diabetes mellitus and chronic kidney disease who returns for a follow-up medical nutrition therapy visit with a registered dietitian or credentialed nutrition professional. The patient has new glycemic variability and an elevated A1c despite prior counseling. The provider documents a focused reassessment of dietary intake, weight trends, renal-appropriate protein and potassium targets, medication-related nutrition impacts, and self-monitoring blood glucose records. During the 30-minute subsequent visit the clinician individually reviews prior goals, adjusts carbohydrate distribution and insulin dosing guidance, prescribes a renal-friendly meal plan, and documents measurable behavior goals for the next visit. Typical workflow includes scheduling the follow-up, verifying medical necessity and payer coverage, performing the timed reassessment in 15-minute increments aligned to 97803, documenting time spent, clinical findings, revised nutrition treatment plan, and delivering patient education materials. The service is commonly billed in outpatient clinic settings, ambulatory nutrition clinics, primary care offices, and within hospital outpatient departments as a subsequent visit billing for medical nutrition therapy.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
25 | Significant, separately identifiable evaluation and management service by the same physician on the day of a procedure |