O99.3
ICD-10Non-billable categoryMental disord and dis of the nervous sys compl preg/chldbrth
Official ICD-10-CM descriptor (FY2026)
Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium
O99.3 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 5 codes beneath O99.3. See the ICD-10-CM index for what this site publishes.
Related codes in O99
- O99.0Anemia complicating pregnancy, childbirth and the puerperiumcategory
- O99.1Other dis blood/immune compl preg/childbrthcategory
- O99.2Endo, nutritional and metabolic diseases compl preg/chldbrthcategory
- O99.4Diseases of the circulatory system compl preg/chldbrthcategory
- O99.5Diseases of the respiratory system compl preg/chldbrthcategory
- O99.6Diseases of the digestive system compl preg/chldbrthcategory
- O99.7Diseases of the skin, subcu compl preg/chldbrthcategory
- O99.8Oth diseases and conditions compl preg/chldbrthcategory
Where this code sits
- Parent code
- O99
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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.