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MS-DRG 866 Fee Schedule

Last Verified: January 2026

Healthcare providers use this code to document and receive reimbursement for visits that address high-level medical decision-making, often including multiple diagnoses or prescription management.

Viral Illness without MCC
Key FactDetail
Service Type

Infectious & Parasitic Diseases, Systemic or Unspecified Sites

Common Place of Service

21 - Inpatient Hospital

22 - On Campus Outpatient Hospital

Complexity LevelHigh

National average reimbursement for MS-DRG 866 by major payers:

bcbs

$9,867.79

uhc

$11,902.28

aetna

$14,011.35

cigna

$14,362.09

Preview provider-level rates for...
For billing codeMS-DRG 866
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for MS-DRG 866

United
866$17040.761861009672 - NORCAL HEALTHCONNECT LLC, HEALDSBURG HOSPITAL852390012CACritical Access Hospital (282NC0060X)
United
866$5532.001205846037 - BAILEY MEDICAL CENTER, LLC201547519 - (OK) BAILEY MEDICAL CENTER LLCOKGeneral Acute Care Hospital (282N00000X)
United
866$19460.001710499462 - HMH HOSPITALS CORPORATION, RIVERVIEW MEDICAL CENTER221487576 - HACKENSACK MERIDIAN HEALTH INCNJGeneral Acute Care Hospital (282N00000X)
United
866$5404.001447672779 - SHARON PENNSYLVANIA HOSPITAL COMPANY LLC332621724PAGeneral Acute Care Hospital (282N00000X)
United
866$21226.341700037801 - PROVIDENCE HEALTH & SERVICES-WA352346161WAGeneral Acute Care Hospital (282N00000X)
United
866$8621.491184485989 - HH HEALTH SYSTEM934333907ALMedicare Defined Swing Bed Hospital Unit (275N00000X)
United
866$12964.081295159028 - CATHOLIC HEALTH INITIATIVES COLORADO, ST. ANTHONY SUMMIT HOSPITAL SWING BED UNIT840405257 - CATHOLIC HEALTH INITIATIVES COLORADOCOMedicare Defined Swing Bed Hospital Unit (275N00000X)
United
866$10575.121396160396 - PROSPECT CHARTERCARE SJHSRI, LLC, ST. JOSEPH HEALTH CENTER464661337RIPsychiatric Hospital Unit (273R00000X)
United
866$20181.161124503636 - GENERAL CONFERENCE OF SEVENTH DAY ADVENTIST HACKETTSTOWN COMMUNITY HOS521958352 - ATLANTIC HEALTH SYSTEM INCNJGeneral Acute Care Hospital (282N00000X)
United
866$14597.621013906239 - ST FRANCIS MEDICAL CENTER, INC, ST FRANCIS ACUTE REHABILITATION CENTER720408970 - (LA) ST FRANCIS MEDICAL CENTER INCLARehabilitation Hospital Unit (273Y00000X)
United
866$5226.001457399198 - MANCHESTER MEMORIAL HOSPITAL812216981CTGeneral Acute Care Hospital (282N00000X)
United
866$13104.761184655581 - UNIVERSITY OF CALIFORNIA IRVINE, UCI HEALTH LAKEWOOD952226406 - REGENTS OF THE UNIVERSITY OF CALIFORNIA AT IRVINECAGeneral Acute Care Hospital (282N00000X)
United
866$9726.611427133883 - CARONDELET HEALTH NETWORK, ST MARY'S HOSPITAL474131755AZPsychiatric Hospital Unit (273R00000X)
United
866$5071.971063422053 - VALLEY MEDICAL FACILITIES INC, VALLEY MEDICAL FACILITIES INC DBA HERITAGE VALLEY BEAVER251801532 - (PA) HERITAGE VALLEY HEALTH SYSTEMPAGeneral Acute Care Hospital (282N00000X)
United
866$6893.021841258589 - CRIPPLED CHILDREN'S HOSPITAL, CHILDREN'S HOSPITAL540506309 - (VA) VCU HEALTH CHILDRENS SERVICES AT BROOK ROADVAChildren's Hospital (282NC2000X)
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist

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MS-DRG 866 vs. Other Infectious & Parasitic Diseases, Systemic or Unspecified Sites Codes

The MS-DRG 866 code is part of the Infectious & Parasitic Diseases, Systemic or Unspecified Sites services . It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.

The MS-DRG 866 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.

CodeComplexityDescription
865-MS-DRGHighViral Illness with MCC
866-MS-DRGHighViral Illness without MCC
867-MS-DRGHighOther Infectious and Parasitic Diseases Diagnoses with MCC

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including MS-DRG 866. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 866 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.

Factors that affect fee schedules


Medicare & Medicaid Rates

Government-set reimbursement amounts


Private Insurance Rates

Negotiated rates between providers and insurance companies


Geographic Location

Costs may be higher in urban areas.


Provider Type

Hospital providers may have different rates than private practice.

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