O20-O29

Other maternal disorders predominantly related to pregnancy

Other maternal disorders predominantly related to pregnancy (O20-O29) is a block within ICD-10-CM Chapter 15: Pregnancy, childbirth and the puerperium. It holds 9 categories.

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

Categories in O20-O29

Source

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.

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