Skip to content
Dx

ICD-10-CM 2027 diagnosis code

J34.3Hypertrophy of nasal turbinates

✓ Billable / specific

J34.3 is a valid, billable ICD-10-CM code for hypertrophy of nasal turbinates. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About J34.3

J34.3 is the ICD-10-CM diagnosis code for hypertrophy of nasal turbinates. It belongs to category J34 (other and unspecified disorders of nose and nasal sinuses), block J30-J39 (other diseases of upper respiratory tract) and chapter 10 (diseases of the respiratory system). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within J34 (other and unspecified disorders of nose and nasal sinuses), J34.3 is specifically for hypertrophy of nasal turbinates. Related codes cover abscess, furuncle and carbuncle of nose (J34.0), cyst and mucocele of nose and nasal sinus (J34.1), Deviated nasal septum (J34.2), other specified disorders of nose and nasal sinuses (J34.8) and unspecified disorder of nose and nasal sinuses (J34.9).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

In MS-DRG v44.0, it is part of the grouping logic for DRG 154 (Other Ear, Nose, Mouth and Throat Diagnoses with MCC, relative weight 1.5921), DRG 155 (Other Ear, Nose, Mouth and Throat Diagnoses with CC, relative weight 0.9322) and DRG 156 (Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC, relative weight 0.6659), in MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as 478.0 (hypertrophy of nasal turbinates).

Notes that apply from higher levels

Instructions written at a parent level also apply to J34.3.

› From J34 Other and unspecified disorders of nose and nasal sinuses
Excludes2
  • varicose ulcer of nasal septum (I86.8)

Broader instructions also apply from Chapter 10: Diseases of the respiratory system.

Alphabetic index entries

5 entries

Terms in the official ICD-10-CM index that lead to J34.3.

MS-DRG v44.0 grouping

All DRGs →

Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.

ICD-9-CM equivalent

Converter →
  • 478.0Hypertrophy of nasal turbinatesexact

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about J34.3

Is J34.3 billable?

Yes. J34.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can J34.3 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict J34.3 as a principal diagnosis.

Is J34.3 a CC or MCC?

No. J34.3 is neither a CC nor an MCC under MS-DRG v44.0.

What DRG does J34.3 group to?

J34.3 is used in the MS-DRG v44.0 logic for MS-DRG 154 (Other Ear, Nose, Mouth and Throat Diagnoses with MCC), MS-DRG 155 (Other Ear, Nose, Mouth and Throat Diagnoses with CC) and MS-DRG 156 (Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.

What is the ICD-9 code for J34.3?

The CMS General Equivalence Mappings map J34.3 to ICD-9-CM 478.0.