DRG 540

Medical DRG

Osteomyelitis with CC

TypeMedicalMDC08Dx Codes204

What is MS-DRG 540?

MS-DRG 540 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 08 (MDC 08) with a Complication or Comorbidity (CC). It maps to 204 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 1.2963 with a geometric mean length of stay of 4.3 days and an arithmetic mean of 5.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Medical DRG
Diagnosis-driven grouping
Linked Codes
204 diagnosis
Billable Dx
100%
204 of 204 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
1.2963
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
4.3 days
Used for transfer payment calculations
Arithmetic Mean LOS
5.6 days
Average length of stay
Post-Acute Transfer
Yes
Subject to the post-acute care transfer policy

Related MS-DRGs in This Severity Group

The same clinical condition is split into separate DRGs by complication severity. MCC pays more than CC, which pays more than no CC/MCC.

DRGTitleRel. WeightGMLOS
539Osteomyelitis with MCC1.96976.2 days
540Osteomyelitis with CCThis page1.29634.3 days
541Osteomyelitis without CC/MCC0.78742.9 days

Linked ICD-10-CM Diagnosis Mappings

  • A02.24

    Salmonella osteomyelitis

    BillableChapter 1
  • A18.01

    Tuberculosis of spine

    BillableChapter 1
  • A18.03

    Tuberculosis of other bones

    BillableChapter 1
  • A51.46

    Secondary syphilitic osteopathy

    BillableChapter 1
  • A52.77

    Syphilis of bone and joint

    BillableChapter 1
  • A54.41

    Gonococcal spondylopathy

    BillableChapter 1
  • M46.20

    Osteomyelitis of vertebra, site unspecified

    BillableChapter 13
  • M46.21

    Osteomyelitis of vertebra, occipito-atlanto-axial region

    BillableChapter 13
  • M46.22

    Osteomyelitis of vertebra, cervical region

    BillableChapter 13
  • M46.23

    Osteomyelitis of vertebra, cervicothoracic region

    BillableChapter 13
  • M46.24

    Osteomyelitis of vertebra, thoracic region

    BillableChapter 13
  • M46.25

    Osteomyelitis of vertebra, thoracolumbar region

    BillableChapter 13
  • M46.26

    Osteomyelitis of vertebra, lumbar region

    BillableChapter 13
  • M46.27

    Osteomyelitis of vertebra, lumbosacral region

    BillableChapter 13
  • M46.28

    Osteomyelitis of vertebra, sacral and sacrococcygeal region

    BillableChapter 13
  • M46.30

    Infection of intervertebral disc (pyogenic), site unspecified

    BillableChapter 13
  • M46.31

    Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region

    BillableChapter 13
  • M46.32

    Infection of intervertebral disc (pyogenic), cervical region

    BillableChapter 13
  • M46.33

    Infection of intervertebral disc (pyogenic), cervicothoracic region

    BillableChapter 13
  • M46.34

    Infection of intervertebral disc (pyogenic), thoracic region

    BillableChapter 13
  • M46.35

    Infection of intervertebral disc (pyogenic), thoracolumbar region

    BillableChapter 13
  • M46.36

    Infection of intervertebral disc (pyogenic), lumbar region

    BillableChapter 13
  • M46.37

    Infection of intervertebral disc (pyogenic), lumbosacral region

    BillableChapter 13
  • M46.38

    Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region

    BillableChapter 13
  • M46.39

    Infection of intervertebral disc (pyogenic), multiple sites in spine

    BillableChapter 13
  • M86.00

    Acute hematogenous osteomyelitis, unspecified site

    BillableChapter 13
  • M86.011

    Acute hematogenous osteomyelitis, right shoulder

    BillableChapter 13
  • M86.012

    Acute hematogenous osteomyelitis, left shoulder

    BillableChapter 13
  • M86.019

    Acute hematogenous osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.021

    Acute hematogenous osteomyelitis, right humerus

    BillableChapter 13
  • M86.022

    Acute hematogenous osteomyelitis, left humerus

    BillableChapter 13
  • M86.029

    Acute hematogenous osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.031

    Acute hematogenous osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.032

    Acute hematogenous osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.039

    Acute hematogenous osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.041

    Acute hematogenous osteomyelitis, right hand

    BillableChapter 13
  • M86.042

    Acute hematogenous osteomyelitis, left hand

    BillableChapter 13
  • M86.049

    Acute hematogenous osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.051

    Acute hematogenous osteomyelitis, right femur

    BillableChapter 13
  • M86.052

    Acute hematogenous osteomyelitis, left femur

    BillableChapter 13
  • M86.059

    Acute hematogenous osteomyelitis, unspecified femur

    BillableChapter 13
  • M86.061

    Acute hematogenous osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.062

    Acute hematogenous osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.069

    Acute hematogenous osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.071

    Acute hematogenous osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.072

    Acute hematogenous osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.079

    Acute hematogenous osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.08

    Acute hematogenous osteomyelitis, other sites

    BillableChapter 13
  • M86.09

    Acute hematogenous osteomyelitis, multiple sites

    BillableChapter 13
  • M86.10

    Other acute osteomyelitis, unspecified site

    BillableChapter 13
  • M86.111

    Other acute osteomyelitis, right shoulder

    BillableChapter 13
  • M86.112

    Other acute osteomyelitis, left shoulder

    BillableChapter 13
  • M86.119

    Other acute osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.121

    Other acute osteomyelitis, right humerus

    BillableChapter 13
  • M86.122

    Other acute osteomyelitis, left humerus

    BillableChapter 13
  • M86.129

    Other acute osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.131

    Other acute osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.132

    Other acute osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.139

    Other acute osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.141

    Other acute osteomyelitis, right hand

    BillableChapter 13
  • M86.142

    Other acute osteomyelitis, left hand

    BillableChapter 13
  • M86.149

    Other acute osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.151

    Other acute osteomyelitis, right femur

    BillableChapter 13
  • M86.152

    Other acute osteomyelitis, left femur

    BillableChapter 13
  • M86.159

    Other acute osteomyelitis, unspecified femur

    BillableChapter 13
  • M86.161

    Other acute osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.162

    Other acute osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.169

    Other acute osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.171

    Other acute osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.172

    Other acute osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.179

    Other acute osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.18

    Other acute osteomyelitis, other site

    BillableChapter 13
  • M86.19

    Other acute osteomyelitis, multiple sites

    BillableChapter 13
  • M86.20

    Subacute osteomyelitis, unspecified site

    BillableChapter 13
  • M86.211

    Subacute osteomyelitis, right shoulder

    BillableChapter 13
  • M86.212

    Subacute osteomyelitis, left shoulder

    BillableChapter 13
  • M86.219

    Subacute osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.221

    Subacute osteomyelitis, right humerus

    BillableChapter 13
  • M86.222

    Subacute osteomyelitis, left humerus

    BillableChapter 13
  • M86.229

    Subacute osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.231

    Subacute osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.232

    Subacute osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.239

    Subacute osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.241

    Subacute osteomyelitis, right hand

    BillableChapter 13
  • M86.242

    Subacute osteomyelitis, left hand

    BillableChapter 13
  • M86.249

    Subacute osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.251

    Subacute osteomyelitis, right femur

    BillableChapter 13
  • M86.252

    Subacute osteomyelitis, left femur

    BillableChapter 13
  • M86.259

    Subacute osteomyelitis, unspecified femur

    BillableChapter 13
  • M86.261

    Subacute osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.262

    Subacute osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.269

    Subacute osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.271

    Subacute osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.272

    Subacute osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.279

    Subacute osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.28

    Subacute osteomyelitis, other site

    BillableChapter 13
  • M86.29

    Subacute osteomyelitis, multiple sites

    BillableChapter 13
  • M86.30

    Chronic multifocal osteomyelitis, unspecified site

    BillableChapter 13
  • M86.311

    Chronic multifocal osteomyelitis, right shoulder

    BillableChapter 13
  • M86.312

    Chronic multifocal osteomyelitis, left shoulder

    BillableChapter 13
  • M86.319

    Chronic multifocal osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.321

    Chronic multifocal osteomyelitis, right humerus

    BillableChapter 13
  • M86.322

    Chronic multifocal osteomyelitis, left humerus

    BillableChapter 13
  • M86.329

    Chronic multifocal osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.331

    Chronic multifocal osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.332

    Chronic multifocal osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.339

    Chronic multifocal osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.341

    Chronic multifocal osteomyelitis, right hand

    BillableChapter 13
  • M86.342

    Chronic multifocal osteomyelitis, left hand

    BillableChapter 13
  • M86.349

    Chronic multifocal osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.351

    Chronic multifocal osteomyelitis, right femur

    BillableChapter 13
  • M86.352

    Chronic multifocal osteomyelitis, left femur

    BillableChapter 13
  • M86.359

    Chronic multifocal osteomyelitis, unspecified femur

    BillableChapter 13
  • M86.361

    Chronic multifocal osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.362

    Chronic multifocal osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.369

    Chronic multifocal osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.371

    Chronic multifocal osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.372

    Chronic multifocal osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.379

    Chronic multifocal osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.38

    Chronic multifocal osteomyelitis, other site

    BillableChapter 13
  • M86.39

    Chronic multifocal osteomyelitis, multiple sites

    BillableChapter 13
  • M86.40

    Chronic osteomyelitis with draining sinus, unspecified site

    BillableChapter 13
  • M86.411

    Chronic osteomyelitis with draining sinus, right shoulder

    BillableChapter 13
  • M86.412

    Chronic osteomyelitis with draining sinus, left shoulder

    BillableChapter 13
  • M86.419

    Chronic osteomyelitis with draining sinus, unspecified shoulder

    BillableChapter 13
  • M86.421

    Chronic osteomyelitis with draining sinus, right humerus

    BillableChapter 13
  • M86.422

    Chronic osteomyelitis with draining sinus, left humerus

    BillableChapter 13
  • M86.429

    Chronic osteomyelitis with draining sinus, unspecified humerus

    BillableChapter 13
  • M86.431

    Chronic osteomyelitis with draining sinus, right radius and ulna

    BillableChapter 13
  • M86.432

    Chronic osteomyelitis with draining sinus, left radius and ulna

    BillableChapter 13
  • M86.439

    Chronic osteomyelitis with draining sinus, unspecified radius and ulna

    BillableChapter 13
  • M86.441

    Chronic osteomyelitis with draining sinus, right hand

    BillableChapter 13
  • M86.442

    Chronic osteomyelitis with draining sinus, left hand

    BillableChapter 13
  • M86.449

    Chronic osteomyelitis with draining sinus, unspecified hand

    BillableChapter 13
  • M86.451

    Chronic osteomyelitis with draining sinus, right femur

    BillableChapter 13
  • M86.452

    Chronic osteomyelitis with draining sinus, left femur

    BillableChapter 13
  • M86.459

    Chronic osteomyelitis with draining sinus, unspecified femur

    BillableChapter 13
  • M86.461

    Chronic osteomyelitis with draining sinus, right tibia and fibula

    BillableChapter 13
  • M86.462

    Chronic osteomyelitis with draining sinus, left tibia and fibula

    BillableChapter 13
  • M86.469

    Chronic osteomyelitis with draining sinus, unspecified tibia and fibula

    BillableChapter 13
  • M86.471

    Chronic osteomyelitis with draining sinus, right ankle and foot

    BillableChapter 13
  • M86.472

    Chronic osteomyelitis with draining sinus, left ankle and foot

    BillableChapter 13
  • M86.479

    Chronic osteomyelitis with draining sinus, unspecified ankle and foot

    BillableChapter 13
  • M86.48

    Chronic osteomyelitis with draining sinus, other site

    BillableChapter 13
  • M86.49

    Chronic osteomyelitis with draining sinus, multiple sites

    BillableChapter 13
  • M86.50

    Other chronic hematogenous osteomyelitis, unspecified site

    BillableChapter 13
  • M86.511

    Other chronic hematogenous osteomyelitis, right shoulder

    BillableChapter 13
  • M86.512

    Other chronic hematogenous osteomyelitis, left shoulder

    BillableChapter 13
  • M86.519

    Other chronic hematogenous osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.521

    Other chronic hematogenous osteomyelitis, right humerus

    BillableChapter 13
  • M86.522

    Other chronic hematogenous osteomyelitis, left humerus

    BillableChapter 13
  • M86.529

    Other chronic hematogenous osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.531

    Other chronic hematogenous osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.532

    Other chronic hematogenous osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.539

    Other chronic hematogenous osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.541

    Other chronic hematogenous osteomyelitis, right hand

    BillableChapter 13
  • M86.542

    Other chronic hematogenous osteomyelitis, left hand

    BillableChapter 13
  • M86.549

    Other chronic hematogenous osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.551

    Other chronic hematogenous osteomyelitis, right femur

    BillableChapter 13
  • M86.552

    Other chronic hematogenous osteomyelitis, left femur

    BillableChapter 13
  • M86.559

    Other chronic hematogenous osteomyelitis, unspecified femur

    BillableChapter 13
  • M86.561

    Other chronic hematogenous osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.562

    Other chronic hematogenous osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.569

    Other chronic hematogenous osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.571

    Other chronic hematogenous osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.572

    Other chronic hematogenous osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.579

    Other chronic hematogenous osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.58

    Other chronic hematogenous osteomyelitis, other site

    BillableChapter 13
  • M86.59

    Other chronic hematogenous osteomyelitis, multiple sites

    BillableChapter 13
  • M86.60

    Other chronic osteomyelitis, unspecified site

    BillableChapter 13
  • M86.611

    Other chronic osteomyelitis, right shoulder

    BillableChapter 13
  • M86.612

    Other chronic osteomyelitis, left shoulder

    BillableChapter 13
  • M86.619

    Other chronic osteomyelitis, unspecified shoulder

    BillableChapter 13
  • M86.621

    Other chronic osteomyelitis, right humerus

    BillableChapter 13
  • M86.622

    Other chronic osteomyelitis, left humerus

    BillableChapter 13
  • M86.629

    Other chronic osteomyelitis, unspecified humerus

    BillableChapter 13
  • M86.631

    Other chronic osteomyelitis, right radius and ulna

    BillableChapter 13
  • M86.632

    Other chronic osteomyelitis, left radius and ulna

    BillableChapter 13
  • M86.639

    Other chronic osteomyelitis, unspecified radius and ulna

    BillableChapter 13
  • M86.641

    Other chronic osteomyelitis, right hand

    BillableChapter 13
  • M86.642

    Other chronic osteomyelitis, left hand

    BillableChapter 13
  • M86.649

    Other chronic osteomyelitis, unspecified hand

    BillableChapter 13
  • M86.651

    Other chronic osteomyelitis, right thigh

    BillableChapter 13
  • M86.652

    Other chronic osteomyelitis, left thigh

    BillableChapter 13
  • M86.659

    Other chronic osteomyelitis, unspecified thigh

    BillableChapter 13
  • M86.661

    Other chronic osteomyelitis, right tibia and fibula

    BillableChapter 13
  • M86.662

    Other chronic osteomyelitis, left tibia and fibula

    BillableChapter 13
  • M86.669

    Other chronic osteomyelitis, unspecified tibia and fibula

    BillableChapter 13
  • M86.671

    Other chronic osteomyelitis, right ankle and foot

    BillableChapter 13
  • M86.672

    Other chronic osteomyelitis, left ankle and foot

    BillableChapter 13
  • M86.679

    Other chronic osteomyelitis, unspecified ankle and foot

    BillableChapter 13
  • M86.68

    Other chronic osteomyelitis, other site

    BillableChapter 13
  • M86.69

    Other chronic osteomyelitis, multiple sites

    BillableChapter 13
  • M86.8X0

    Other osteomyelitis, multiple sites

    BillableChapter 13
  • M86.8X1

    Other osteomyelitis, shoulder

    BillableChapter 13
  • M86.8X2

    Other osteomyelitis, upper arm

    BillableChapter 13
  • M86.8X3

    Other osteomyelitis, forearm

    BillableChapter 13
  • M86.8X4

    Other osteomyelitis, hand

    BillableChapter 13
  • M86.8X5

    Other osteomyelitis, thigh

    BillableChapter 13
  • M86.8X6

    Other osteomyelitis, lower leg

    BillableChapter 13
  • M86.8X7

    Other osteomyelitis, ankle and foot

    BillableChapter 13
  • M86.8X8

    Other osteomyelitis, other site

    BillableChapter 13
  • M86.8X9

    Other osteomyelitis, unspecified sites

    BillableChapter 13
  • M86.9

    Osteomyelitis, unspecified

    BillableChapter 13