All ICD10 Codes
MS-DRG 181Medical

Respiratory Neoplasms with CC

Major Diagnostic Category 04·Grouped by diagnosis·FY 2027

MS-DRG 181 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 04 (MDC 04) with a Complication or Comorbidity (CC). It maps to 64 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.0936 with a geometric mean length of stay of 3.1 days and an arithmetic mean of 4.1 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

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FY 2027 payment data

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

Relative weight:
1.0936 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.1 days (used for transfer payments)
Average stay:
4.1 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
180Respiratory Neoplasms with MCC1.78064.7 days
181Respiratory Neoplasms with CC (this page)1.09363.1 days
182Respiratory Neoplasms without CC/MCC0.74392 days

Diagnosis codes (64)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 181. 100% of the codes listed are billable.