O99.51
Header — not billableDiseases of the respiratory system complicating pregnancy
The ICD-10 code for diseases of the respiratory system complicating pregnancy is O99.51.
O99.51 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under O99.51
- O99.511Diseases of the respiratory system complicating pregnancy, first trimester
- O99.512Diseases of the respiratory system complicating pregnancy, second trimester
- O99.513Diseases of the respiratory system complicating pregnancy, third trimester
- O99.519Diseases of the respiratory system complicating pregnancy, unspecified trimester
Related codes in this category
- O99.52Diseases of the respiratory system complicating childbirth
- O99.53Diseases of the respiratory system complicating the puerperium
- O99.51Diseases of the respiratory system complicating pregnancynon-billable header