MS-DRG 564: OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC
MS-DRG 564 is other musculoskeletal system and connective tissue diagnoses with mcc, in MDC 08 (a medical DRG), at the with-MCC (major complication or comorbidity) level. Its FY2027 relative weight is 1.4908, so a case here pays more than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 4.60 days. 6,776 ICD-10-CM principal diagnoses group into MS-DRGs 564–566 under the CMS definitions manual; the most-searched are listed below.
FY2027 payment factors
- Relative weight
- 1.4908
- Geometric mean LOS
- 4.60
- Arithmetic mean LOS
- 5.90
- Post-acute transfer
- No
Principal diagnoses that group to MS-DRGs 564–566
From the CMS MS-DRG definitions manual’s principal-diagnosis index: 6,776 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 564–566 the case lands in. The 24 most-searched:
- M85.80Other specified disorders of bone density and structure, unspecified site
- D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin
- Z96.651Presence of right artificial knee joint
- Z96.652Presence of left artificial knee joint
- D21.9Benign neoplasm of connective and other soft tissue, unspecified
- M85.89Other specified disorders of bone density and structure, multiple sites
- M89.9Disorder of bone, unspecified
- Z96.641Presence of right artificial hip joint
- Z96.642Presence of left artificial hip joint
- D48.19Other specified neoplasm of uncertain behavior of connective and other soft tissue
- M20.11Hallux valgus (acquired), right foot
- M20.12Hallux valgus (acquired), left foot
- M21.371Foot drop, right foot
- M20.22Hallux rigidus, left foot
- M20.41Other hammer toe(s) (acquired), right foot
- M20.42Other hammer toe(s) (acquired), left foot
- M21.372Foot drop, left foot
- M85.88Other specified disorders of bone density and structure, other site
- R93.7Abnormal findings on diagnostic imaging of other parts of musculoskeletal system
- Z96.611Presence of right artificial shoulder joint
- M20.10Hallux valgus (acquired), unspecified foot
- M21.40Flat foot [pes planus] (acquired), unspecified foot
- M21.611Bunion of right foot
- M25.361Other instability, right knee
6,752 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 564.
| 564 | OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC | 1.4908 | |
| 565 | OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC | 0.9783 | -0.5125 |
| 566 | OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC | 0.7378 | -0.7530 |
All FY2027 MS-DRGs · MDC 08