Summary & Overview
HCPCS Level II M1491: Receiving ESRD MCP Dialysis Services
HCPCS Level II code M1491 documents the provision of ESRD MCP dialysis services by a provider during a defined performance period. This code captures care and monitoring activities tied to dialysis management for patients with end-stage renal disease enrolled in managed care plans. Nationally, standardized use of this code supports consistent reporting of dialysis-related quality and service delivery for a high-cost, high-need patient population.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise reference to what the code represents, typical sites of service, and the clinical context for use. The publication summarizes available benchmarks and payment policy context where applicable, highlights common service-line placement for dialysis and renal care, and outlines implications for billing workflows and performance-period reporting. The content is intended as a national overview to support coding accuracy, program reporting, and administrative planning for dialysis providers and payers.
Billing Code Overview
HCPCS Level II code M1491 represents receiving ESRD MCP dialysis services by the provider during the performance period. The service is a dialysis-related monitoring and care activity provided to patients with end-stage renal disease (ESRD) enrolled in a managed care plan (MCP).
-
Service type: Outpatient dialysis monitoring and management
-
Typical site of service: Dialysis center or outpatient renal clinic
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient with end-stage renal disease (ESRD) receives maintenance chronic dialysis services under the management of a Medicare-certified dialysis provider. The patient attends thrice-weekly outpatient hemodialysis sessions at a dialysis center staffed by a nephrologist, dialysis nurses, and technicians. During the performance period, the provider documents all ESRD MCP (monthly capitated payment) dialysis services including clinical assessments, dialysis treatments, vascular access monitoring, medication management (e.g., erythropoiesis-stimulating agents, phosphate binders), laboratory review, and care coordination with home health or transplant services as needed. The workflow includes pre-dialysis assessment, prescription verification, delivery of the dialysis treatment, post-dialysis evaluation, and documentation of clinical stability and any complications. The provider bills M1491 to report receiving ESRD MCP dialysis services rendered during the performance period for which the provider is the accountable Medicare dialysis provider of record.
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 | Use when a distinct E/M visit is performed and documented on the same day as dialysis-related procedures and is not included in the dialysis global service |