Billable / Specific Code
ICD-10-CM H62.42 is the diagnosis code for Otitis externa in other diseases classified elsewhere, left ear. This code falls under the section "Diseases of external ear" within Chapter 8 — Diseases of the ear and mastoid process (H60-H95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where H62.42 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H62.42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H62.42 is the ICD-10-CM diagnosis code for "Otitis externa in other diseases classified elsewhere, left ear". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H62.42 is H62.4 ("Otitis externa in other diseases classified elsewhere"). H62.42 provides a more specific classification within this category.
H62.42 is located in Section H60-H62 — "Diseases of external ear" within Chapter 8 of the ICD-10-CM Tabular List.
Use H62.42 when the patients documented diagnosis matches "Otitis externa in other diseases classified elsewhere, left ear" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Otitis externa in other diseases classified elsewhere, left ear is H62.42.
Yes, H62.42 can be used as a primary diagnosis code since it is billable and specific.
H62.42 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H62.42 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.