All ICD10 Codes
MS-DRG 558Medical

Tendonitis, Myositis and Bursitis without MCC

Major Diagnostic Category 08·Grouped by diagnosis·FY 2027

MS-DRG 558 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 08 (MDC 08) without a significant Complication or Comorbidity. It maps to 1,061 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.8875 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.

Advertisements

FY 2027 payment data

From Table 5 of the FY 2027 IPPS Final Rule (CMS).

Relative weight:
0.8875 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.1 days (used for transfer payments)
Average stay:
3.8 days (arithmetic mean)
Post-acute transfer policy:
Yes (early transfers can be paid less)

Same condition, other severity levels

CMS splits one condition into separate DRGs by how sick the patient is. With MCC pays more than with CC, which pays more than without CC/MCC.

DRGTitleRelative weightMean stay
557Tendonitis, Myositis and Bursitis with MCC1.48904.6 days
558Tendonitis, Myositis and Bursitis without MCC (this page)0.88753.1 days

Diagnosis codes (1,061)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 558. 100% of the codes listed are billable.

Showing the first 1,000 of 1,061 codes. Use search to find a specific code.