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O91.0

Non-billable

Infection of nipple associated with pregnancy, the puerperium and lactation

O91.0 is the ICD-10-CM code for Infection of nipple associated with pregnancy, the puerperium and lactation. It is a non-billable category code — use a more specific child code such as O91.01 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O91
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O91.0?
O91.0 is the ICD-10-CM code for "Infection of nipple associated with pregnancy, the puerperium and lactation". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O91.0 a billable code?
No — O91.0 is a non-billable header code. Use a more specific child code (such as O91.01) for billing.
What are the subcodes of O91.0?
O91.0 has 3 more specific child codes, including O91.01, O91.02, O91.03.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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