W55.8
Non-Billable

Contact with other mammals

Non-Billable / Non-Specific Code

What is Contact with other mammals?

ICD-10-CM W55.8 is the diagnosis code for Contact with other mammals. This code falls under the section "Exposure to animate mechanical forces" within Chapter 20 — External causes of morbidity (V00-Y99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for W55.8

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where W55.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
W55.81Bitten by other mammalsBillableW55.82Struck by other mammalsBillableW55.89Other contact with other mammalsBillable
Related Codes

Frequently Asked Questions

Is W55.8 a billable ICD-10-CM code?

No, W55.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does W55.8 mean?

W55.8 is the ICD-10-CM diagnosis code for "Contact with other mammals". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of W55.8?

The parent code of W55.8 is W55 ("Contact with other mammals"). W55.8 provides a more specific classification within this category.

What section is W55.8 in?

W55.8 is located in Section W50-W64 — "Exposure to animate mechanical forces" within Chapter 20 of the ICD-10-CM Tabular List.

What are the sub-codes of W55.8?

W55.8 has 3 sub-code(s) that provide more specific detail: W55.81, W55.82, W55.89.

When should I use W55.8?

Use W55.8 when the patients documented diagnosis matches "Contact with other mammals" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Contact with other mammals?

The ICD-10-CM code for Contact with other mammals is W55.8.

Can W55.8 be used for primary diagnosis?

No, W55.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is W55.8 in?

W55.8 is in Chapter 20 of the ICD-10-CM Tabular List.

Is W55.8 valid for 2026?

Yes, W55.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousW55.59Other contact with raccoonNext →W55.81Bitten by other mammals
Code Details
W55.8
Contact with other mammals
Non-Billable / Non-Specific Code
20 — External causes of morbidity (V00-Y99)
W50-W64 — Exposure to animate mechanical forces
2026 ICD-10-CM