N85.A
ICD-10BillableIsthmocele
Official ICD-10-CM descriptor (FY2026)
Isthmocele
N85.A is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Isthmocele (non-pregnant state)
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- maternal care for cesarean scar defect (isthmocele) (O34.22)
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- any associated conditions such as:
- abnormal uterine and vaginal bleeding, unspecified (N93.9)
- female infertility of uterine origin (N97.2)
- pelvic and perineal pain (R10.2-)
Related codes in N85
Where this code sits
- Parent code
- N85
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.