O99.51
Non-billableDiseases of the respiratory system complicating pregnancy
O99.51 is the ICD-10-CM code for Diseases of the respiratory system complicating pregnancy. It is a non-billable category code — use a more specific child code such as O99.511 for billing.
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHWhen you're short of breath, it's hard or uncomfortable for you to take in the oxygen your body needs. You may feel as if you're not getting enough air. Sometimes you can have mild breathing problems because of a stuffy nose or intense exercise. But shortness of breath can also be a sign of a serious disease. Many conditions can make you feel short of breath: Lung conditions such as asthma , emphysema , or pneumonia…
Read more about Breathing Problems at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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