N85.A
✓ BillableIsthmocele
Diseases of the genitourinary system (N00-N99)
Also Known As
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • maternal care for cesarean scar defect (isthmocele) (O34.22)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • endometriosis (N80.-)
- • inflammatory diseases of uterus (N71.-)
- • noninflammatory disorders of cervix, except malposition (N86-N88)
- • polyp of corpus uteri (N84.0)
- • uterine prolapse (N81.-)
Clinical Description
ICD-10-CM code N85.A represents isthmocele. This code falls under the Diseases of the genitourinary system (N00-N99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that N85.A has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code N85.A?
ICD-10-CM code N85.A is "Isthmocele". It belongs to the category: Diseases of the genitourinary system (N00-N99).
Is N85.A a billable ICD-10 code?
Yes, N85.A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with N85.A?
N85.A has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in N85
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)