ICD-10-PCS 2027 procedure code
09Q47ZZRepair Left External Auditory Canal, Via Natural or Artificial Opening
Short description: Repair Left External Auditory Canal, Via Opening
Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data
About 09Q47ZZ
09Q47ZZ is the ICD-10-PCS code for a repair procedure on the left external auditory canal using a via natural or artificial opening approach. In ICD-10-PCS, repair means restoring, to the extent possible, a body part to its normal anatomic structure and function.
In plain terms, this corresponds to other plastic repair of external ear and other operations on external ear, the ICD-9-CM procedure titles it maps to (18.79 and 18.9).
For a different body part, codes include 09Q37ZZ (right external auditory canal), 09Q77ZZ (right tympanic membrane), 09Q87ZZ (left tympanic membrane), 09QF7ZZ (right eustachian tube), 09QG7ZZ (left eustachian tube), 09QL7ZZ (nasal turbinate) and 1 more.
The same procedure with a different approach is coded 09Q40ZZ (open), 09Q43ZZ (percutaneous), 09Q44ZZ (percutaneous endoscopic), 09Q48ZZ (via natural or artificial opening endoscopic) and 09Q4XZZ (external).
It is an operating-room procedure in the MS-DRG logic for DRG 143 (Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC), DRG 144 (Other Ear, Nose, Mouth and Throat O.R. Procedures with CC), DRG 145 (Other Ear, Nose, Mouth and Throat O.R. Procedures without CC/MCC), DRG 579 (Other Skin, Subcutaneous Tissue and Breast Procedures with MCC), DRG 580 (Other Skin, Subcutaneous Tissue and Breast Procedures with CC) and DRG 581 (Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC), under the surgical categories “Other Ear, Nose, Mouth and Throat O.R. Procedures”, “Other Skin, Subcutaneous Tissue and Breast Procedures”, “Other O.R. Procedures for Injuries” and 1 more.
It has been valid since ICD-10-PCS took effect on October 1, 2015.
What each character means
- 1. Section
- 0Medical and Surgical
- 2. Body System
- 9Ear, Nose, Sinus
- 3. Operation
- QRepair
Restoring, to the extent possible, a body part to its normal anatomic structure and function
Used only when the method to accomplish the repair is not one of the other root operations
Includes: Colostomy takedown, suture of laceration
- 4. Body Part
- 4External Auditory Canal, Left
Includes: External auditory meatus
- 5. Approach
- 7Via Natural or Artificial Opening
Entry of instrumentation through a natural or artificial external opening to reach the site of the procedure
- 6. Device
- ZNo Device
- 7. Qualifier
- ZNo Qualifier
Other versions of this procedure
Different body part
MS-DRG v44.0 grouping
All DRGs →Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.
MDC 03 · Diseases and Disorders of the Ear, Nose, Mouth and Throat · Other Ear, Nose, Mouth and Throat O.R. Procedures
MDC 09 · Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast · Other Skin, Subcutaneous Tissue and Breast Procedures
MDC 21 · Injuries, Poisonings and Toxic Effects of Drugs · Other O.R. Procedures for Injuries
MDC 24 · Multiple Significant Trauma · Other O.R. Procedures for Multiple Significant Trauma
ICD-9-CM equivalent
Converter →From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about 09Q47ZZ
Is 09Q47ZZ a valid ICD-10-PCS code for 2027?
- Yes. 09Q47ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
Is 09Q47ZZ an O.R. procedure?
- Yes. 09Q47ZZ is an O.R. procedure in MS-DRG v44.0.
What DRG does 09Q47ZZ group to?
- Depending on the principal diagnosis, 09Q47ZZ can group to MS-DRG 143, MS-DRG 144, MS-DRG 145, MS-DRG 579, MS-DRG 580 and MS-DRG 581.
What is the ICD-9 procedure code for 09Q47ZZ?
- The CMS GEMs map 09Q47ZZ to ICD-9-CM 18.79 (Other plastic repair of external ear) and 18.9 (Other operations on external ear).