MS-DRG 603: CELLULITIS WITHOUT MCC
MS-DRG 603 is cellulitis without mcc, in MDC 09 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.8635, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 3.10 days. 159 ICD-10-CM principal diagnoses group into MS-DRGs 602–603 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 0.8635
- Geometric mean LOS
- 3.10
- Arithmetic mean LOS
- 3.70
- Post-acute transfer
- Yes
This DRG is subject to the post-acute care transfer policy: a discharge to a qualifying setting below the mean length of stay is paid per diem rather than in full.
Principal diagnoses that group to MS-DRGs 602–603
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 159 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 602–603 the case lands in. The 24 most-searched:
- L08.9Local infection of the skin and subcutaneous tissue, unspecified
- L03.115Cellulitis of right lower limb
- L03.116Cellulitis of left lower limb
- L02.91Cutaneous abscess, unspecified
- L03.90Cellulitis, unspecified
- L03.031Cellulitis of right toe
- L03.119Cellulitis of unspecified part of limb
- L05.91Pilonidal cyst without abscess
- L88Pyoderma gangrenosum
- L02.31Cutaneous abscess of buttock
- L03.032Cellulitis of left toe
- L01.00Impetigo, unspecified
- L02.211Cutaneous abscess of abdominal wall
- L02.212Cutaneous abscess of back [any part, except buttock and flank]
- L02.415Cutaneous abscess of right lower limb
- L02.416Cutaneous abscess of left lower limb
- L02.611Cutaneous abscess of right foot
- L03.011Cellulitis of right finger
- L03.113Cellulitis of right upper limb
- L03.114Cellulitis of left upper limb
- L03.211Cellulitis of face
- L03.213Periorbital cellulitis
- L03.311Cellulitis of abdominal wall
- L05.01Pilonidal cyst with abscess
135 more codes group here. Open any code above for its full hierarchy, or check a whole claim in the free DRG calculator.
The severity splits
Same base DRG, split by whether a secondary diagnosis is a CC or MCC. The last column is the weight change from MS-DRG 603.
| 602 | CELLULITIS WITH MCC | 1.4273 | +0.5638 |
| 603 | CELLULITIS WITHOUT MCC | 0.8635 |
All FY2027 MS-DRGs · MDC 09