MCMedicalCodingSoftware
156

MS-DRG 156: OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITHOUT CC/MCC

DRGMedicalMDC 03

MS-DRG 156 is other ear, nose, mouth and throat diagnoses without cc/mcc, in MDC 03 (a medical DRG), at the without-CC/MCC level. Its FY2027 relative weight is 0.6659, so a case here pays less than the average Medicare inpatient stay (weight 1.0), with a geometric mean length of stay of 2.10 days. 660 ICD-10-CM principal diagnoses group into MS-DRGs 154–156 under the CMS definitions manual; the most-searched are listed below.

FY2027 payment factors

Relative weight
0.6659
Geometric mean LOS
2.10
Arithmetic mean LOS
2.60
Post-acute transfer
No

Principal diagnoses that group to MS-DRGs 154–156

From the CMS MS-DRG definitions manual’s principal-diagnosis index: 660 ICD-10-CM codes route here, and the CC/MCC status of the secondary diagnoses decides which of 154–156 the case lands in. The 24 most-searched:

  • G47.33Obstructive sleep apnea (adult) (pediatric)
  • H90.3Sensorineural hearing loss, bilateral
  • H91.90Unspecified hearing loss, unspecified ear
  • J34.89Other specified disorders of nose and nasal sinuses
  • G47.30Sleep apnea, unspecified
  • J34.2Deviated nasal septum
  • R09.81Nasal congestion
  • H61.23Impacted cerumen, bilateral
  • H91.93Unspecified hearing loss, bilateral
  • R49.0Dysphonia
  • H69.93Unspecified Eustachian tube disorder, bilateral
  • J34.3Hypertrophy of nasal turbinates
  • K11.8Other diseases of salivary glands
  • H61.21Impacted cerumen, right ear
  • H61.22Impacted cerumen, left ear
  • H90.42Sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side
  • H92.01Otalgia, right ear
  • H92.09Otalgia, unspecified ear
  • H93.13Tinnitus, bilateral
  • H93.19Tinnitus, unspecified ear
  • J33.0Polyp of nasal cavity
  • J35.1Hypertrophy of tonsils
  • J38.3Other diseases of vocal cords
  • J39.2Other diseases of pharynx

636 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 156.

154OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH MCC1.5921+0.9262
155OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH CC0.9322+0.2663
156OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITHOUT CC/MCC0.6659

All FY2027 MS-DRGs · MDC 03

MS-DRG (IPPS Table 5)FY2027