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ICD-10-CM Code H83.12
Labyrinthine fistula, left ear

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

H83.12 is a billable ICD code used to specify a diagnosis of labyrinthine fistula, left ear. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code H831 is used to code Labyrinthine fistula

A labyrinthine fistula is an abnormal opening in the bony capsule of the inner ear, resulting in leakage of the perilymph from the semicircular canals into the middle ear. This includes specifically a perilymph fistula (PLF), an abnormal connection between the fluid of the inner ear and the air-filled middle ear. This connection is caused by a rupture of the oval window or round window that separate the inner and middle ear. Another type of l.f. is a semicircular canal dehiscence, which allows the inner ear to be influenced by the intracranial pressure directly.

Specialty: Otolaryngology
ICD 9 Code: 386.4

Cross-section of cochlea. Perilymph is located in the scala tympani and scala vestibuli - the aqua regions at the top and bottom of the diagram.

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses with MCC.
  • DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses with CC.
  • DRG Group #154-156 - Other ear, nose, mouth and throat diagnoses without CC or MCC.


Labyrinthine fistula, unspecified (approximate match)
Round window fistula (approximate match)
Oval window fistula (approximate match)
Semicircular canal fistula (approximate match)
Labyrinthine fistula of combined sites (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 H83.12 and a single ICD9 code, 386.48 is an approximate match for comparison and conversion purposes.

Parent Code: H83.1 - Labyrinthine fistula

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/H8312