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MS-DRG v44.0 · MDC 23: Factors Influencing Health Status and Other Contacts with Health Services

949 — Aftercare with CC/MCC

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
1.123
Geometric mean LOS
4.1 days
Arithmetic mean LOS
6.4 days
Type
Medical

About MS-DRG 949

MS-DRG 949, Aftercare with CC/MCC, is a medical DRG in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 1.123, so Medicare's base payment for this DRG is about 1.12 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 4.1 days and the arithmetic mean is 6.4 days.

It belongs to a 2-level severity family: DRG 949 (with CC/MCC, weight 1.123) and DRG 950 (without CC/MCC, weight 0.7664). The highest-severity level carries 1.5 times the weight of the lowest, which is why documenting CC and MCC conditions matters.

8,604 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.

ICD-10-CM codes that group to DRG 949 (8,604)

Chapter 19: Injury, poisoning and certain other consequences of external causes

+ 7042 more

Chapter 21: Factors influencing health status and contact with health services

Common questions about DRG 949

What is the relative weight of DRG 949?

1.123 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 949?

The geometric mean length of stay is 4.1 days; the arithmetic mean is 6.4 days.

Is DRG 949 medical or surgical?

DRG 949 is a medical DRG.