All ICD10 Codes

DRG 603

Medical DRG

Cellulitis without MCC

TypeMedicalMDC09Dx Codes151

What is MS-DRG 603?

MS-DRG 603 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 09 (MDC 09) without a significant Complication or Comorbidity. It maps to 151 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 0.8709 with a geometric mean length of stay of 3.1 days and an arithmetic mean of 3.8 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Medical DRG
Diagnosis-driven grouping
MDC
Major Diagnostic Category 09
Linked Codes
151 diagnosis
Billable Dx
100%
151 of 151 shown

FY 2026 Payment Data

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

Relative Weight
0.8709
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
3.1 days
Used for transfer payment calculations
Arithmetic Mean LOS
3.8 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
602Cellulitis with MCC1.42134.5 days
603Cellulitis without MCCThis page0.87093.1 days

Linked ICD-10-CM Diagnosis Mappings

  • A46

    Erysipelas

    BillableChapter 1
  • B78.1

    Cutaneous strongyloidiasis

    BillableChapter 1
  • E83.2

    Disorders of zinc metabolism

    BillableChapter 4
  • I89.1

    Lymphangitis

    BillableChapter 9
  • L01.00

    Impetigo, unspecified

    BillableChapter 12
  • L01.01

    Non-bullous impetigo

    BillableChapter 12
  • L01.02

    Bockhart's impetigo

    BillableChapter 12
  • L01.03

    Bullous impetigo

    BillableChapter 12
  • L01.09

    Other impetigo

    BillableChapter 12
  • L01.1

    Impetiginization of other dermatoses

    BillableChapter 12
  • L02.02

    Furuncle of face

    BillableChapter 12
  • L02.03

    Carbuncle of face

    BillableChapter 12
  • L02.12

    Furuncle of neck

    BillableChapter 12
  • L02.13

    Carbuncle of neck

    BillableChapter 12
  • L02.211

    Cutaneous abscess of abdominal wall

    BillableChapter 12
  • L02.212

    Cutaneous abscess of back [any part, except buttock and flank]

    BillableChapter 12
  • L02.213

    Cutaneous abscess of chest wall

    BillableChapter 12
  • L02.214

    Cutaneous abscess of groin

    BillableChapter 12
  • L02.215

    Cutaneous abscess of perineum

    BillableChapter 12
  • L02.216

    Cutaneous abscess of umbilicus

    BillableChapter 12
  • L02.217

    Cutaneous abscess of flank

    BillableChapter 12
  • L02.219

    Cutaneous abscess of trunk, unspecified

    BillableChapter 12
  • L02.221

    Furuncle of abdominal wall

    BillableChapter 12
  • L02.222

    Furuncle of back [any part, except buttock and flank]

    BillableChapter 12
  • L02.223

    Furuncle of chest wall

    BillableChapter 12
  • L02.224

    Furuncle of groin

    BillableChapter 12
  • L02.225

    Furuncle of perineum

    BillableChapter 12
  • L02.226

    Furuncle of umbilicus

    BillableChapter 12
  • L02.227

    Furuncle of flank

    BillableChapter 12
  • L02.229

    Furuncle of trunk, unspecified

    BillableChapter 12
  • L02.231

    Carbuncle of abdominal wall

    BillableChapter 12
  • L02.232

    Carbuncle of back [any part, except buttock]

    BillableChapter 12
  • L02.233

    Carbuncle of chest wall

    BillableChapter 12
  • L02.234

    Carbuncle of groin

    BillableChapter 12
  • L02.235

    Carbuncle of perineum

    BillableChapter 12
  • L02.236

    Carbuncle of umbilicus

    BillableChapter 12
  • L02.239

    Carbuncle of trunk, unspecified

    BillableChapter 12
  • L02.31

    Cutaneous abscess of buttock

    BillableChapter 12
  • L02.32

    Furuncle of buttock

    BillableChapter 12
  • L02.33

    Carbuncle of buttock

    BillableChapter 12
  • L02.411

    Cutaneous abscess of right axilla

    BillableChapter 12
  • L02.412

    Cutaneous abscess of left axilla

    BillableChapter 12
  • L02.413

    Cutaneous abscess of right upper limb

    BillableChapter 12
  • L02.414

    Cutaneous abscess of left upper limb

    BillableChapter 12
  • L02.415

    Cutaneous abscess of right lower limb

    BillableChapter 12
  • L02.416

    Cutaneous abscess of left lower limb

    BillableChapter 12
  • L02.419

    Cutaneous abscess of limb, unspecified

    BillableChapter 12
  • L02.421

    Furuncle of right axilla

    BillableChapter 12
  • L02.422

    Furuncle of left axilla

    BillableChapter 12
  • L02.423

    Furuncle of right upper limb

    BillableChapter 12
  • L02.424

    Furuncle of left upper limb

    BillableChapter 12
  • L02.425

    Furuncle of right lower limb

    BillableChapter 12
  • L02.426

    Furuncle of left lower limb

    BillableChapter 12
  • L02.429

    Furuncle of limb, unspecified

    BillableChapter 12
  • L02.431

    Carbuncle of right axilla

    BillableChapter 12
  • L02.432

    Carbuncle of left axilla

    BillableChapter 12
  • L02.433

    Carbuncle of right upper limb

    BillableChapter 12
  • L02.434

    Carbuncle of left upper limb

    BillableChapter 12
  • L02.435

    Carbuncle of right lower limb

    BillableChapter 12
  • L02.436

    Carbuncle of left lower limb

    BillableChapter 12
  • L02.439

    Carbuncle of limb, unspecified

    BillableChapter 12
  • L02.511

    Cutaneous abscess of right hand

    BillableChapter 12
  • L02.512

    Cutaneous abscess of left hand

    BillableChapter 12
  • L02.519

    Cutaneous abscess of unspecified hand

    BillableChapter 12
  • L02.521

    Furuncle right hand

    BillableChapter 12
  • L02.522

    Furuncle left hand

    BillableChapter 12
  • L02.529

    Furuncle unspecified hand

    BillableChapter 12
  • L02.531

    Carbuncle of right hand

    BillableChapter 12
  • L02.532

    Carbuncle of left hand

    BillableChapter 12
  • L02.539

    Carbuncle of unspecified hand

    BillableChapter 12
  • L02.611

    Cutaneous abscess of right foot

    BillableChapter 12
  • L02.612

    Cutaneous abscess of left foot

    BillableChapter 12
  • L02.619

    Cutaneous abscess of unspecified foot

    BillableChapter 12
  • L02.621

    Furuncle of right foot

    BillableChapter 12
  • L02.622

    Furuncle of left foot

    BillableChapter 12
  • L02.629

    Furuncle of unspecified foot

    BillableChapter 12
  • L02.631

    Carbuncle of right foot

    BillableChapter 12
  • L02.632

    Carbuncle of left foot

    BillableChapter 12
  • L02.639

    Carbuncle of unspecified foot

    BillableChapter 12
  • L02.811

    Cutaneous abscess of head [any part, except face]

    BillableChapter 12
  • L02.818

    Cutaneous abscess of other sites

    BillableChapter 12
  • L02.821

    Furuncle of head [any part, except face]

    BillableChapter 12
  • L02.828

    Furuncle of other sites

    BillableChapter 12
  • L02.831

    Carbuncle of head [any part, except face]

    BillableChapter 12
  • L02.838

    Carbuncle of other sites

    BillableChapter 12
  • L02.91

    Cutaneous abscess, unspecified

    BillableChapter 12
  • L02.92

    Furuncle, unspecified

    BillableChapter 12
  • L02.93

    Carbuncle, unspecified

    BillableChapter 12
  • L03.011

    Cellulitis of right finger

    BillableChapter 12
  • L03.012

    Cellulitis of left finger

    BillableChapter 12
  • L03.019

    Cellulitis of unspecified finger

    BillableChapter 12
  • L03.021

    Acute lymphangitis of right finger

    BillableChapter 12
  • L03.022

    Acute lymphangitis of left finger

    BillableChapter 12
  • L03.029

    Acute lymphangitis of unspecified finger

    BillableChapter 12
  • L03.031

    Cellulitis of right toe

    BillableChapter 12
  • L03.032

    Cellulitis of left toe

    BillableChapter 12
  • L03.039

    Cellulitis of unspecified toe

    BillableChapter 12
  • L03.041

    Acute lymphangitis of right toe

    BillableChapter 12
  • L03.042

    Acute lymphangitis of left toe

    BillableChapter 12
  • L03.049

    Acute lymphangitis of unspecified toe

    BillableChapter 12
  • L03.111

    Cellulitis of right axilla

    BillableChapter 12
  • L03.112

    Cellulitis of left axilla

    BillableChapter 12
  • L03.113

    Cellulitis of right upper limb

    BillableChapter 12
  • L03.114

    Cellulitis of left upper limb

    BillableChapter 12
  • L03.115

    Cellulitis of right lower limb

    BillableChapter 12
  • L03.116

    Cellulitis of left lower limb

    BillableChapter 12
  • L03.119

    Cellulitis of unspecified part of limb

    BillableChapter 12
  • L03.121

    Acute lymphangitis of right axilla

    BillableChapter 12
  • L03.122

    Acute lymphangitis of left axilla

    BillableChapter 12
  • L03.123

    Acute lymphangitis of right upper limb

    BillableChapter 12
  • L03.124

    Acute lymphangitis of left upper limb

    BillableChapter 12
  • L03.125

    Acute lymphangitis of right lower limb

    BillableChapter 12
  • L03.126

    Acute lymphangitis of left lower limb

    BillableChapter 12
  • L03.129

    Acute lymphangitis of unspecified part of limb

    BillableChapter 12
  • L03.311

    Cellulitis of abdominal wall

    BillableChapter 12
  • L03.312

    Cellulitis of back [any part except buttock]

    BillableChapter 12
  • L03.313

    Cellulitis of chest wall

    BillableChapter 12
  • L03.314

    Cellulitis of groin

    BillableChapter 12
  • L03.315

    Cellulitis of perineum

    BillableChapter 12
  • L03.316

    Cellulitis of umbilicus

    BillableChapter 12
  • L03.317

    Cellulitis of buttock

    BillableChapter 12
  • L03.319

    Cellulitis of trunk, unspecified

    BillableChapter 12
  • L03.31A

    Cellulitis of flank

    BillableChapter 12
  • L03.321

    Acute lymphangitis of abdominal wall

    BillableChapter 12
  • L03.322

    Acute lymphangitis of back [any part except buttock]

    BillableChapter 12
  • L03.323

    Acute lymphangitis of chest wall

    BillableChapter 12
  • L03.324

    Acute lymphangitis of groin

    BillableChapter 12
  • L03.325

    Acute lymphangitis of perineum

    BillableChapter 12
  • L03.326

    Acute lymphangitis of umbilicus

    BillableChapter 12
  • L03.327

    Acute lymphangitis of buttock

    BillableChapter 12
  • L03.329

    Acute lymphangitis of trunk, unspecified

    BillableChapter 12
  • L03.32A

    Acute lymphangitis of flank

    BillableChapter 12
  • L03.811

    Cellulitis of head [any part, except face]

    BillableChapter 12
  • L03.818

    Cellulitis of other sites

    BillableChapter 12
  • L03.891

    Acute lymphangitis of head [any part, except face]

    BillableChapter 12
  • L03.898

    Acute lymphangitis of other sites

    BillableChapter 12
  • L03.90

    Cellulitis, unspecified

    BillableChapter 12
  • L03.91

    Acute lymphangitis, unspecified

    BillableChapter 12
  • L05.01

    Pilonidal cyst with abscess

    BillableChapter 12
  • L05.02

    Pilonidal sinus with abscess

    BillableChapter 12
  • L05.91

    Pilonidal cyst without abscess

    BillableChapter 12
  • L05.92

    Pilonidal sinus without abscess

    BillableChapter 12
  • L08.0

    Pyoderma

    BillableChapter 12
  • L08.81

    Pyoderma vegetans

    BillableChapter 12
  • L08.82

    Omphalitis not of newborn

    BillableChapter 12
  • L08.89

    Other specified local infections of the skin and subcutaneous tissue

    BillableChapter 12
  • L08.9

    Local infection of the skin and subcutaneous tissue, unspecified

    BillableChapter 12
  • L88

    Pyoderma gangrenosum

    BillableChapter 12
  • L92.8

    Other granulomatous disorders of the skin and subcutaneous tissue

    BillableChapter 12
  • L98.0

    Pyogenic granuloma

    BillableChapter 12
  • L98.3

    Eosinophilic cellulitis [Wells]

    BillableChapter 12