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ICD-10-CM Code R43.1

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

R43.1 is a billable ICD code used to specify a diagnosis of parosmia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code R431 is used to code Parosmia

Parosmia, from the Greek < para = osmi, also known as troposmia (Gk.) or cacosmia, (Gk.) is an olfactory dysfunction that is characterized by the inability of the brain to properly identify an odor’s “natural” smell. What happens instead, is that the natural odor is transcribed into what is most often described as an unpleasant aroma, typically a “‘burned,’ ‘rotting,’ ‘fecal,’ or ‘chemical’ smell.” There are instances, however, of pleasant odors. This is more specifically called euosmia (Gk.).

MeSH Code: D000857
ICD 9 Code: 781.1
Source: Wikipedia

MS-DRG Mapping

  • DRG Group #091-093 - Other disorders of nervous system with MCC.
  • DRG Group #091-093 - Other disorders of nervous system with CC.
  • DRG Group #091-093 - Other disorders of nervous system without CC or MCC.

ICD-10-CM Alphabetical Index References for 'R43.1 - Parosmia'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R43.1. Click on any term below to browse the alphabetical index.

Parosmia (R43.1)
Hyperosmia (R43.1)


Disturbances of sensation of smell and taste (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code R43.1 and a single ICD9 code, 781.1 is an approximate match for comparison and conversion purposes.

Parent Code: R43 - Disturbances of smell and taste

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R431