2027 ICD-10-CM Diagnosis Code H61.009Unspecified perichondritis of external ear, unspecified ear

ICD-10-CM Codes›H60–H95›H60-H62›H61

ICD-10-CM H61.009
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H61.009 is a billable ICD-10-CM diagnosis code for unspecified perichondritis of external ear, unspecified ear. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 152 through 153. Coders also document this condition as chondrodermatitis nodularis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified disorders of the ear.

Code Identity

ICD-10-CM Code
H61.009
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified perichondritis of external ear, unspecified ear
Short Description
Unspecified perichondritis of external ear, unspecified ear
Same as the full description in the CMS dataset.
Parent Code
H61.00
Unspecified perichondritis of external ear

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH60-H62Diseases of external ear
CategoryH61Other disorders of external ear
This CodeH61.009Unspecified perichondritis of external ear, unspecified ear

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chondrodermatitis nodularis
  • Chondrodermatitis nodularis helicis
  • Chondrodermatitis nodularis of antihelix
  • Chondrodermatitis nodularis of tragus
  • Perichondritis of external ear
  • Perichondritis of pinna

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H61.009: its own notes plus those printed at Chapter 8. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

General instructions on how these codes are used.

From Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 codes
  • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR EAR006
Other specified and unspecified disorders of the ear
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Ear Disorders

An ear disorder is any condition that changes or harms the shape or structure of your ear. This can include abnormal ear shapes you're born with, injuries that change your ear's shape, and a growth on or in the ear.

The full article covers:

  • What is an ear disorder?
  • What causes ear disorders?
  • What are the symptoms of ear disorders?
  • How are ear disorders diagnosed?
  • How are ear disorders treated?
  • Can ear disorders be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert H61.009 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
380.00 Perichondritis pinna NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About H61.009Overview

What is the ICD-10 code for unspecified perichondritis of external ear, unspecified ear?

The ICD-10-CM code for unspecified perichondritis of external ear, unspecified ear is H61.009 (sometimes written as H61009). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H61.009 (Unspecified perichondritis of external ear) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified perichondritis of external ear, unspecified ear on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H61.009 group to?

When unspecified perichondritis of external ear, unspecified ear is the principal diagnosis on an inpatient stay, it groups to MS-DRG 152, 153, with relative weights from 0.7420 to 1.1147 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H61.009?

Under the General Equivalence Mappings, unspecified perichondritis of external ear, unspecified ear converts to ICD-9-CM 380.00 (perichondritis pinna NOS). The mapping is approximate, so confirm the match fits the documentation.