All ICD10 Codes
MS-DRG 201Medical

Pneumothorax without CC/MCC

Major Diagnostic Category 04·Grouped by diagnosis·FY 2027

MS-DRG 201 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 04 (MDC 04) without a significant Complication or Comorbidity. It maps to 14 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.6782 with a geometric mean length of stay of 2.2 days and an arithmetic mean of 2.7 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:
0.6782 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
2.2 days (used for transfer payments)
Average stay:
2.7 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

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
199Pneumothorax with MCC1.73224.7 days
200Pneumothorax with CC1.07743.1 days
201Pneumothorax without CC/MCC (this page)0.67822.2 days

Diagnosis codes (14)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 201. 100% of the codes listed are billable.