Billable / Specific Code
ICD-10-CM H95.139 is the diagnosis code for Mucosal cyst of postmastoidectomy cavity, unspecified ear. This code falls under the section "Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified" 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 H95.139 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H95.139 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H95.139 is the ICD-10-CM diagnosis code for "Mucosal cyst of postmastoidectomy cavity, unspecified ear". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H95.139 is H95.13 ("Mucosal cyst of postmastoidectomy cavity"). H95.139 provides a more specific classification within this category.
H95.139 is located in Section H95 — "Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified" within Chapter 8 of the ICD-10-CM Tabular List.
Use H95.139 when the patients documented diagnosis matches "Mucosal cyst of postmastoidectomy cavity, unspecified 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 Mucosal cyst of postmastoidectomy cavity, unspecified ear is H95.139.
Yes, H95.139 can be used as a primary diagnosis code since it is billable and specific.
H95.139 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H95.139 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.