Nephrology Billing Loses Revenue in Ways Most Billing Teams Never Catch.

Nephrology Billing Services

A dialysis claim submitted without documenting the number of physician evaluations. An ESRD drug billed with the wrong J-code unit calculation. A separately billable service bundled into the ESRD PPS payment by mistake. In nephrology these errors repeat across hundreds of monthly claims, and the losses compound silently.

GenMediTech provides nephrology billing services built around the exact dialysis coding, drug billing, and ESRD compliance requirements that keep kidney care revenue protected.

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What Are Nephrology Billing Services

Nephrology billing services manage the full revenue cycle for kidney care practices, dialysis coding, ESRD PPS management, high-cost drug billing, and AR follow-up. It is more complex than most specialties because it combines recurring dialysis claims, bundled ESRD payments with separately billable exceptions, and expensive drug administration with precise wastage documentation.

Why Nephrology Billing Loses Revenue Other Specialties Do Not

Nephrology has a billing structure unlike any other specialty. Dialysis is recurring, billed monthly under capitation codes. ESRD drugs cost hundreds per dose and are billed per unit. One wrong code does not affect one claim. It affects every patient on that billing cycle simultaneously.

Dialysis Modality Coded Incorrectly

Dialysis Modality Coded Incorrectly

Hemodialysis, peritoneal dialysis, and home dialysis each use different CPT ranges. The correct code depends on physician evaluations, care setting, and patient age. Wrong code means underpayment across every session for every affected patient.

ESRD PPS Management

ESRD PPS Separately Billable Services Missed

The ESRD bundle covers most dialysis services — but vaccines, certain drugs, and specific lab tests are separately billable outside it. Most practices assume everything is bundled. That assumption costs recoverable revenue every single month.

J-Code Unit Calculation Wrong on High-Cost Drugs

J-Code Unit Calculation Wrong on High-Cost Drugs

EPO bills per 1000 units. Iron sucrose bills per 1mg. Aranesp bills per 1mcg. One calculation error means wrong reimbursement or outright denial on a drug that cost hundreds of dollars to administer.

Vascular Access Procedure Coding

Drug Wastage Never Billed

When a partial vial is used the discarded remainder is reimbursable under modifier JW. Most nephrology practices never document or bill it, losing legitimate drug revenue on every partial vial across every ESRD patient.

Our Nephrology Billing Services

CKD Staging and HCC Risk Adjustment

Dialysis Procedure Coding

We assign the correct CPT code for every modality, hemodialysis, peritoneal dialysis, and home dialysis, based on documented evaluations, care setting, and patient age. Monthly capitation codes are selected correctly for each patient's ESRD status. Your dialysis claims stop being underpaid from wrong modality codes across your entire patient panel.

ESRD PPS Management

ESRD PPS Management

We identify which services are bundled and which are separately billable, vaccines, specific drugs, and eligible lab tests billed outside the bundle. TDAPA and TPNIES adjustments are tracked and captured. Your practice stops losing separately billable revenue that quietly gets absorbed into the bundle every month.

J-Code Unit Calculation Wrong on High-Cost Drugs

High-Cost Drug Billing and Wastage Documentation

EPO bills per 1000 units. Iron sucrose bills per 1mg. Aranesp bills per 1mcg. One calculation error means wrong reimbursement or outright denial on a drug that cost hundreds of dollars to administer.

mips

MIPS Quality Reporting

G-codes for depression screening, immunization documentation, and medication reconciliation are captured correctly. Your MIPS score stays above penalty thresholds without adding burden to your clinical team.

CKD Staging and HCC Risk Adjustment

CKD Staging and HCC Risk Adjustment

CKD is staged accurately from N18.1 through N18.6 based on documented GFR. Combination codes are applied correctly for diabetic nephropathy and hypertensive CKD. HCC risk adjustment coding ensures your reimbursement reflects actual patient complexity under value-based contracts.

Vascular Access Procedure Coding

Vascular Access Procedure Coding

AV fistula, AV graft, central venous catheter, and access maintenance procedures are coded with correct CPT codes and modifiers. Every access claim is documented to withstand payer scrutiny and avoid audit triggers.

13 renal transplant

Renal Transplant and Split-Care Billing

Global period modifiers 54 and 55 are applied correctly so the transplant center and the independent nephrologist each get paid for their portion. Post-transplant care stops getting denied for missing global period documentation.

Prior Authorization Management

Prior Authorization Management


We secure authorization for transplant evaluations, vascular access procedures, and high-cost ESRD medications before treatment begins. Expiration dates are tracked across every patient's treatment course.

Denial Management and Appeala

Denial Management and Appeala


Every denial gets reviewed for root cause, wrong dialysis code, incorrect J-code unit, missing combination code, or authorization gap. We correct and resubmit. Complex drug denials get formal appeals with clinical evidence.

Nephrology Procedures We Bill For

Nephrology CPT Codes, J-Codes, and ICD-10 Codes We Work With

Dialysis CPT Codes

CPT Code Procedure Description
90935
Hemodialysis
Single physician evaluation
90937
Hemodialysis
Repeated evaluations, complicated
90945
Peritoneal Dialysis
Single physician evaluation
90947
Peritoneal Dialysis
Repeated evaluations
90951-90962
MCP Adult
Monthly capitation, age 20 and over
90963-90966
MCP Home
Monthly capitation, home dialysis
90967-90970
MCP Pediatric
Monthly capitation, under age 20

Vascular Access CPT Codes

CPT Code Procedure
36818-36825
AV Fistula Creation by site
36830
AV Graft Placement
36556
Non-tunneled Central Venous Catheter
36558
Tunneled Central Venous Catheter
50300
Donor Nephrectomy
50360
Renal Transplant Preparation
50365
Transplant with Nephrectomy

J-Codes for High-Cost Nephrology Drugs

J-Code Drug Billing Unit
J0885
Epoetin alfa, non-ESRD
Per 1000 units
J0886
Epoetin alfa, ESRD
Per 1000 units
J0881
Darbepoetin alfa, non-ESRD
Per 1mcg
J0882
Darbepoetin alfa — ESRD
Per 1mcg
J1756
Iron Sucrose
Per 1mg
J2916
Sodium Ferric Gluconate
Per 12.5mg
J0636
Calcitriol
Per 0.1mcg
J2505
Paricalcitol
Per 1mcg

ICD-10-CM Codes for Kidney Conditions

ICD-10 Code Condition Clinical Context
N18.1
CKD Stage 1
Normal GFR with kidney damage markers
N18.2
CKD Stage 2
GFR 60-89
N18.3
CKD Stage 3
GFR 30-59
N18.4
CKD Stage 4
GFR 15-29
N18.5
CKD Stage 5
GFR below 15, not on dialysis
N18.6
ESRD
On dialysis
N17
Acute Kidney Injury
Acute renal failure
E11.22
Diabetic CKD
Type 2 diabetes with nephropathy — combination code

Nephrology Billing Problems We Fix Every Day

Wrong dialysis modality code selected?

We review documented evaluations, care setting, and patient age before assigning the correct CPT code. Every dialysis claim reflects exactly what was provided and documented.

ESRD separately billable services missed?

We audit every ESRD billing month for services that should be billed outside the bundle, vaccines, specific drugs, eligible lab tests. Revenue your practice was leaving inside the bundle gets captured.

J-code unit calculation error on EPO or iron?

We calculate every unit dosage precisely against documented administration amounts. Wrong unit calculations stop causing drug claim denials.

Drug wastage never documented or billed?

We document every partial vial and apply modifier JW where payer rules allow. Legitimate drug waste reimbursement your practice was absorbing gets recovered.

Combination code missed on diabetic nephropathy?

We apply E11.22 correctly when diabetes and CKD are both present, not two separate codes. Medical necessity documentation holds up on payer review.

Transplant post-op care denied for missing modifier?

We apply global period modifiers 54 and 55 correctly so your post-transplant care gets paid without being absorbed into the transplant center’s global payment.

Frequently Asked Questions

 It combines recurring dialysis capitation codes, ESRD bundled payments with separately billable exceptions, high-cost drug billing with precise unit math, and CKD staging that directly affects value-based reimbursement. Generalist billers miss these details constantly.

It bundles dialysis, routine lab tests, and standard medications into one monthly payment. But vaccines, transitional drugs under TDAPA, and new equipment under TPNIES remain separately billable. Missing them is one of the most common sources of nephrology revenue loss.

J0885 is for EPO administered to non-ESRD patients. J0886 is for ESRD patients. Wrong code means denial. Documentation must clearly support which applies.

 It is the combination code for Type 2 diabetes with CKD. Using separate codes for each results in medical necessity denial. It is one of the most frequently missed coding requirements in nephrology.

Kidney transplants carry a 90-day global period. When a patient transfers to an independent nephrologist, modifiers 54 and 55 must be used to carve out their portion. Without them post-transplant care gets denied.

 Yes. We capture depression screening G-codes, immunization documentation, and medication reconciliation, keeping your score above penalty thresholds.

Yes. Every workflow follows strict HIPAA protocols, encrypted data and controlled access at every step.

Nephrology Revenue Lost to Billing Errors Is Revenue Your Practice Already Earned.

Wrong dialysis codes across your entire patient panel. ESRD separately billable services absorbed into the bundle. Drug wastage never documented. Combination codes missed on diabetic nephropathy. Every one of these is money your practice earned from real patient care, and never collected.

Our nephrology billing specialists are ready to fix that, starting now.

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