Billable / Specific Code
ICD-10-CM N80.359 is the diagnosis code for Endometriosis of pelvic sidewall, unspecified side, unspecified depth. This code falls under the section "Noninflammatory disorders of female genital tract" within Chapter 14 — Diseases of the genitourinary system (N00-N99). 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.
Understanding where N80.359 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N80.359 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N80.359 is the ICD-10-CM diagnosis code for "Endometriosis of pelvic sidewall, unspecified side, unspecified depth". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N80.359 is N80.35 ("Endometriosis of the pelvic sidewall, unspecified depth"). N80.359 provides a more specific classification within this category.
N80.359 is located in Section N80-N98 — "Noninflammatory disorders of female genital tract" within Chapter 14 of the ICD-10-CM Tabular List.
Use N80.359 when the patients documented diagnosis matches "Endometriosis of pelvic sidewall, unspecified side, unspecified depth" 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 Endometriosis of pelvic sidewall, unspecified side, unspecified depth is N80.359.
Yes, N80.359 can be used as a primary diagnosis code since it is billable and specific.
N80.359 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N80.359 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.