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Medical Nutrition Therapy Billing Services
Medical nutrition therapy billing is the nutrition codes and the hours the diagnosis allows. Vector Medical Billing, in Jamaica, New York, bills the initial assessment once, counts face-to-face minutes against that year’s cap, and does not send a second set of hours without the second referral.
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What medical nutrition therapy billing includes
Full-cycle RCM for registered dietitians — the visit code from the minutes, then the hours that diagnosis still has left.
The operating cycle matches medical billing services: eligibility, charge capture from the chart, coding, scrub, clearinghouse submission, payment posting, denial management, and A/R follow-up. The scrub watches the physician referral, whether this is the first assessment or a later visit, face-to-face minutes, hours already paid this calendar year, and a diabetes self-management training claim on the same date.
In scope: individual and group medical nutrition therapy for the diagnoses that plan covers, extra hours after a documented change, and the overlap with diabetes training when both benefits are open. Tube feeding, IV nutrition, and medical-food products are not these codes. Diagnostic lab panels are a separate page. This is not a wellness class code sent in place of 97802.
Medical nutrition therapy is priced as a percentage of net collections because hour caps, second referrals, and the diabetes-training overlap take extra scrub time. The written rate follows visit mix — see pricing. Credentialing of the dietitian, a retrospective coding audit, and out-of-network / IDR stay separate engagements.
What sits on this nutrition fee
- 97802, 97803, and 97804 from face-to-face time
- Hours the diagnosis allows, including a second referral
- HIPAA workflows, a signed BAA, and PHI limited to staff on the account
Where nutrition claims fail
Common medical nutrition therapy billing issues include the initial-visit code used on every encounter, hours billed beyond the covered diagnosis, and the service sent to the wrong benefit.
The initial code on every visit
97802 is the first individual assessment of a new patient. Later individual visits, including the first visit of a later year, are 97803. A class code or a generic “nutritional counseling” code is sent instead, and the plan asks for the CPT line.
Use the medical nutrition therapy code. Do not substitute a counseling or session code.
Hours past the diagnosis
Three hours were allowed in the first calendar year. Two were used in November. The third is billed in January as if it carried over. Or a fourth hour is billed with 97803 when the chart has no second referral for a change in condition.
Unused hours end with the calendar year. Extra hours need the second referral.
The wrong benefit
Renal nutrition billed for a patient on maintenance dialysis. Diabetes training and nutrition therapy on the same date. Obesity counseling billed as Medicare medical nutrition therapy when that program’s list is diabetes or kidney disease.
The diagnosis has to be one that benefit actually covers.
15 minutes · 30 minutes
The nutrition codes, from the minutes
Medical nutrition therapy uses one code family. Units come from face-to-face time, not from counting one unit per appointment.
97802 is the initial individual assessment and intervention, each 15 minutes, and Medicare instructions limit it to the first assessment of a new patient. 97803 is every later individual reassessment and intervention, also each 15 minutes. 97804 is the group visit — two or more people — each 30 minutes, including the first group visit. Units follow the face-to-face minutes in the note. Charting after the patient leaves is not a unit. A group code is not an individual code with a second person’s name in the narrative.
Some commercial policies reject S9452 (a nutrition class) and S9470 (a generic dietitian visit) and want 97802, 97803, or 97804 instead. Do not list both a CPT line and a substitute HCPCS line for the same time. If the visit is remote, use the place of service and modifier that payer currently wants for this benefit. Do not assume every plan treats a video visit as an in-person 97802.
Code checklist
- 97802 once, for the first individual assessment
- 97803 after that; 97804 for a real group
- Units from face-to-face minutes
Hours the diagnosis allows
Medicare’s basic benefit is diabetes or kidney disease. The clock is the calendar year.
Three hours, then two
Medicare Part B covers medical nutrition therapy when a physician refers a patient with diabetes, or with renal disease that is not maintenance dialysis paid as dialysis, or who had a kidney transplant in the last 36 months. The first calendar year is 3 hours. Each later calendar year is 2 hours, and that year needs its own referral. Hours left in December do not move to January. A patient with both diabetes and renal disease does not get both hour caps stacked. Current rules use the renal maximum for that episode, unless the patient is in initial diabetes self-management training, in which case the greater of the two maximums applies.
Extra hours are a second referral
More hours in the same year are covered when the treating physician finds a change in diagnosis, medical condition, or treatment that requires a change in the nutrition plan. That second referral is billed as G0270 for individual time, each 15 minutes, or G0271 for group time, each 30 minutes. Those codes are not a way to refill the basic 3 hours without a documented change. Commercial plans often cover a wider diagnosis list — lipids, obesity, eating disorders, cystic fibrosis, a prescribed ketogenic diet — and their hour caps are in that contract, not in the Medicare numbers above.
Diabetes training is a different benefit
The dietitian may teach in both. The claim still has one benefit per date.
Not the same codes
Diabetes outpatient self-management training is G0108 for individual time and G0109 for group time, under an accredited program. Medical nutrition therapy stays on 97802, 97803, and 97804. A dietitian who only delivers nutrition therapy does not split the training program into personal claims. One accredited program bills the training.
Not the same date
Medicare program instructions do not pay diabetes training and medical nutrition therapy on the same date of service. During the initial training period, the combined hours follow the training benefit’s maximum unless additional hours are medically necessary. In a later year, when both follow-up benefits are open, the combined hours follow the nutrition maximum unless additional hours are medically necessary.
Who may bill
Medicare pays medical nutrition therapy when a registered dietitian or nutrition professional who meets the federal definition furnishes it, after a physician referral written in the record. The dietitian enrolls. A group bills only with that reassignment. A referral from the chart, not a standing “nutrition for everyone” order, is what the scrub looks for.
Nutrition code families this service works
Illustrative anchors — the chart, the referral, and that plan’s hour cap decide the line. Lab panels are not on this page.
| Work type | Example | What to check | Common failure if skipped |
|---|---|---|---|
| First individual visit | 97802, each 15 minutes | New patient; minutes face to face | Used again next year |
| Later individual visit | 97803, each 15 minutes | Hours left this calendar year | December hour billed in January |
| Group | 97804, each 30 minutes | Two or more people | Individual code for a class |
| Change in condition | G0270 or G0271 | Second referral the same year | Extra hours on 97803 |
| Diabetes training | G0108 / G0109, other benefit | Not the same date as MNT | Both benefits one day |
| Dialysis | Renal MNT not separately covered | Maintenance dialysis payment | 97803 during dialysis months |
| Commercial diagnosis | Whatever that contract lists | Not the Medicare list by default | Obesity billed to Medicare as MNT |
| Substitute codes | 97802–97804, not S9470 | Payer wants the CPT line | Class code denied |
This page does not invent a nutrition-therapy denial percentage. The free audit reads your referrals, minutes, and hours already paid on the sample you send.
What a free audit line looks like
Illustrative composite only — not a client result and not a promised recovery.
| Field | Example entry |
|---|---|
| Documented service | Returning patient with type 2 diabetes. The first calendar year of Medicare nutrition therapy started this March, and all 3 hours are already paid. Today is a 40-minute individual visit in November of that same year. No change in diagnosis or treatment, and no second referral. Diabetes training is scheduled the same day. |
| Billed codes | 97802 for 3 units, plus G0108 on the same date |
| Issue found | 97802 is not the follow-up code. The basic 3 hours are already used, and there is no second referral for G0270. Training and nutrition therapy are on one date. |
| Recommended correction | Do not bill 97802. The basic 3 hours for this calendar year are used, so this November visit is not 97803 either. Bill G0270 only after a second referral documents a change. Otherwise the time is outside the Medicare benefit. Keep diabetes training on its own date under the accredited program. |
| Related check | Dietitian enrollment and the referring physician on the claim |
| Why it matters | Hours past the cap, and two benefits on one date, deny in the edit — caught in scrub or flagged in the free audit |
Request a Free Audit with recent claims, referrals, and a few charts. We map codes and remaining hours on your file — not this composite.
How Vector runs nutrition billing
Which hours are still open — then the same revenue cycle.
1
Assign nutrition RCM
Coder and biller who already track the calendar-year cap before the next visit is coded.
2
Reconcile and code
Charge entry and coding from the chart — queries when the referral or the minutes are missing.
4
Post and report
Payment posting, denial work, A/R aging, monthly RCM report by hours used against the referral.
Not inside the nutrition percentage
Related work stays separate so the quote matches the job.
Tube feeding and supplies
Enteral and parenteral nutrition, pumps, and medical-food products are not 97802. Those claims follow the supply or pharmacy benefit, outside this percentage.
Credentialing / audit
Credentialing the dietitian and a retrospective coding audit of hours and referrals are separate when scoped.
Underpay / OON
Underpayment recovery and OON / IDR stay separate when the dispute path is not ordinary denial work.
How nutrition billing is priced
Percentage of dollars that land — not a flat fee per visit that ignores an hour cap.
Written rate
Medical nutrition therapy is priced as a percentage of net collections because hour caps, second referrals, and the diabetes-training overlap take more scrub time. No setup fee on the monthly cycle. Month to month. The written rate follows visit mix and how much of the cycle you hand over.
See pricing or request a written rate after the free audit.
What we need to start
Practice-system access, the payers you bill, whether you also bill an accredited diabetes-training program, open A/R if you are leaving another biller, and a sample of hour-cap or same-day denials. Switching usually overlaps so claim submission does not stop. See EHR integration if access setup needs a separate quote.
Audit the hours billed after the cap was already used
Send monthly visit volume, whether you bill Medicare nutrition therapy or a wider commercial list, system name, and a sample of hour or referral denials. We reply with what the open A/R shows, whether the monthly fee fits, and a written rate — without inventing a clean-claim percentage.
Written
Monthly rate
98%
Published NCR
50
US States
BAA
Every Client
Medical nutrition therapy questions
Straight answers tied to the sections above.
What does medical nutrition therapy billing include?
Coding the initial assessment, reassessment, and group visit from face-to-face time, the hours that diagnosis allows, a second referral before extra hours, diabetes training kept off the same date, submission, posting, denials, and A/R.
How much do medical nutrition therapy billing services cost?
The fee is a percentage of net collections. No setup fee on the monthly cycle. The written rate follows visit mix and payer mix.
How many hours does Medicare cover?
3 hours in the first calendar year and 2 hours in each later year, for diabetes or qualifying kidney disease, with a physician referral. Unused hours do not carry over. Extra hours in the same year use G0270 or G0271 after a second referral.
Can diabetes training and nutrition therapy be billed the same day?
Medicare does not pay both on the same date. Combined hours in the same period follow the regulation’s cap for whichever benefit is open. Commercial plans may list other diagnoses and other limits.
Do we have to change our practice software?
No. Billers work in the system you already use — see EHR integration. Compatibility is confirmed before you commit.
Where does Vector provide nutrition billing?
The office is 15717 85th St, Jamaica, NY 11414-2620. Work is remote for dietitian practices in all 50 states. See the specialties hub.
Is Vector Medical Billing HIPAA certified?
HHS does not certify billing companies. Vector signs a BAA, limits PHI to staff on the account, and follows HIPAA workflows. A HIPAA security risk analysis is a separate engagement when scoped.