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MS-DRG 920: COMPLICATIONS OF TREATMENT WITH CC

DRGMedicalMDC 21

MS-DRG 920 is complications of treatment with cc, in MDC 21 (a medical DRG), at the with-CC (complication or comorbidity) level. Its FY2027 relative weight is 0.9975, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.80 days. 338 ICD-10-CM principal diagnoses group into MS-DRGs 919–921 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.9975
Geometric mean LOS
2.80
Arithmetic mean LOS
3.60
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 919–921

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 338 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 919–921 the case lands in. The 24 most-searched:

  • T81.31XADisruption of external operation (surgical) wound, not elsewhere classified, initial encounter
  • T81.89XAOther complications of procedures, not elsewhere classified, initial encounter
  • L76.34Postprocedural seroma of skin and subcutaneous tissue following other procedure
  • L76.82Other postprocedural complications of skin and subcutaneous tissue
  • T81.30XADisruption of wound, unspecified, initial encounter
  • T85.79XAInfection and inflammatory reaction due to other internal prosthetic devices, implants and grafts, initial encounter
  • L76.32Postprocedural hematoma of skin and subcutaneous tissue following other procedure
  • M96.89Other intraoperative and postprocedural complications and disorders of the musculoskeletal system
  • T81.9XXAUnspecified complication of procedure, initial encounter
  • T88.7XXAUnspecified adverse effect of drug or medicament, initial encounter
  • D78.12Accidental puncture and laceration of the spleen during other procedure
  • G97.61Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure
  • K91.840Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure
  • M96.840Postprocedural hematoma of a musculoskeletal structure following a musculoskeletal system procedure
  • N99.72Accidental puncture and laceration of a genitourinary system organ or structure during other procedure
  • N99.820Postprocedural hemorrhage of a genitourinary system organ or structure following a genitourinary system procedure
  • T81.12XAPostprocedural septic shock, initial encounter
  • T81.328ADisruption or dehiscence of closure of other specified internal operation (surgical) wound, initial encounter
  • T85.614ABreakdown (mechanical) of insulin pump, initial encounter
  • T85.898AOther specified complication of other internal prosthetic devices, implants and grafts, initial encounter
  • T88.8XXAOther specified complications of surgical and medical care, not elsewhere classified, initial encounter
  • D47.Z1Post-transplant lymphoproliferative disorder (PTLD)
  • D78.01Intraoperative hemorrhage and hematoma of the spleen complicating a procedure on the spleen
  • D78.02Intraoperative hemorrhage and hematoma of the spleen complicating other procedure

314 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 920.

919COMPLICATIONS OF TREATMENT WITH MCC1.7630+0.7655
920COMPLICATIONS OF TREATMENT WITH CC0.9975
921COMPLICATIONS OF TREATMENT WITHOUT CC/MCC0.6722-0.3253

All FY2027 MS-DRGs · MDC 21

MS-DRG (IPPS Table 5)FY2027