T85.4

⚠ Non-billable (Header)

Mechanical complication of breast prosthesis and implant

Injury, poisoning and certain other consequences of external causes (S00-T88)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

inherited

Rules inherited from parent codes.

T85

• failure and rejection of transplanted organs and tissue (T86.-)

Child Codes (5)

T85.41Breakdown (mechanical) of breast prosthesis and implantHeader T85.42Displacement of breast prosthesis and implantHeader T85.43Leakage of breast prosthesis and implantHeader T85.44Capsular contracture of breast implantHeader T85.49Other mechanical complication of breast prosthesis and implantHeader

Clinical Description

ICD-10-CM code T85.4 represents mechanical complication of breast prosthesis and implant. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 5-character code at the 4th level of specificity. There are 5 more specific child codes under T85.4.

Frequently Asked Questions

What is ICD-10 code T85.4?

ICD-10-CM code T85.4 is "Mechanical complication of breast prosthesis and implant". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is T85.4 a billable ICD-10 code?

No, T85.4 is a non-billable header code. A more specific child code must be used for billing.

Can T85.4 be coded with other codes?

T85.4 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in T85

Other codes in the same category that may be relevant for differential coding:

T85.0Mechanical complication of ventricular intracranial (communicating) shunt T85.1Mechanical complication of implanted electronic stimulator of nervous system T85.2Mechanical complication of intraocular lens T85.3Mechanical complication of other ocular prosthetic devices, implants and grafts T85.5Mechanical complication of gastrointestinal prosthetic devices, implants and grafts T85.6Mechanical complication of other specified internal and external prosthetic devices, implants and grafts T85.7Infection and inflammatory reaction due to other internal prosthetic devices, implants and grafts T85.8Other specified complications of internal prosthetic devices, implants and grafts, not elsewhere classified T85.9Unspecified complication of internal prosthetic device, implant and graft

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Code Information

CodeT85.4

BillableNo — Header code

ParentT85

CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)

Excludes10 rule(s)

Excludes21 note(s)

Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)