Z77.120

Billable

Contact with and (suspected) exposure to mold (toxic)

Z77.120 is the ICD-10-CM code for Contact with and (suspected) exposure to mold (toxic). It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Z00-Z99
Parent
Z77.12
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

Molds are fungi that can be found both outdoors and indoors. They grow best in warm, damp and humid conditions. If you have damp or wet spots in your house, you will probably get mold. Molds can cause health problems. Inhaling or touching mold or mold spores may cause allergic reactions or asthma attacks in sensitive people. Molds can cause fungal infections . In addition, mold exposure may irritate your eyes, skin,…

Read more about Molds at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code Z77.120?
Z77.120 is the ICD-10-CM code for "Contact with and (suspected) exposure to mold (toxic)". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z77.120 a billable code?
Yes — Z77.120 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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