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923

MS-DRG 923: OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC

DRGMedicalMDC 21

MS-DRG 923 is other injury, poisoning and toxic effect diagnoses without mcc, in MDC 21 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.9973, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.90 days. 2,446 ICD-10-CM principal diagnoses group into MS-DRGs 922–923 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.9973
Geometric mean LOS
2.90
Arithmetic mean LOS
4.50
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 922–923

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 2,446 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 922–923 the case lands in. The 24 most-searched:

  • Z04.1Encounter for examination and observation following transport accident
  • Z04.3Encounter for examination and observation following other accident
  • Z04.2Encounter for examination and observation following work accident
  • T78.19XAOther adverse food reactions, not elsewhere classified, initial encounter
  • M97.01XSPeriprosthetic fracture around internal prosthetic right hip joint, sequela
  • M97.02XSPeriprosthetic fracture around internal prosthetic left hip joint, sequela
  • M97.11XSPeriprosthetic fracture around internal prosthetic right knee joint, sequela
  • M97.12XSPeriprosthetic fracture around internal prosthetic left knee joint, sequela
  • M97.21XSPeriprosthetic fracture around internal prosthetic right ankle joint, sequela
  • M97.22XSPeriprosthetic fracture around internal prosthetic left ankle joint, sequela
  • M97.31XSPeriprosthetic fracture around internal prosthetic right shoulder joint, sequela
  • M97.32XSPeriprosthetic fracture around internal prosthetic left shoulder joint, sequela
  • M97.41XSPeriprosthetic fracture around internal prosthetic right elbow joint, sequela
  • M97.42XSPeriprosthetic fracture around internal prosthetic left elbow joint, sequela
  • M97.8XXSPeriprosthetic fracture around other internal prosthetic joint, sequela
  • M97.9XXSPeriprosthetic fracture around unspecified internal prosthetic joint, sequela
  • S02.121SFracture of orbital roof, right side, sequela
  • S02.122SFracture of orbital roof, left side, sequela
  • S02.129SFracture of orbital roof, unspecified side, sequela
  • S02.831SFracture of medial orbital wall, right side, sequela
  • S02.832SFracture of medial orbital wall, left side, sequela
  • S02.839SFracture of medial orbital wall, unspecified side, sequela
  • S02.841SFracture of lateral orbital wall, right side, sequela
  • S02.842SFracture of lateral orbital wall, left side, sequela

2,422 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 923.

922OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC1.6238+0.6265
923OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC0.9973

All FY2027 MS-DRGs · MDC 21

MS-DRG (IPPS Table 5)FY2027