T85.111A: Breakdown (mechanical) of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter
T85.111A, breakdown (mechanical) of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 26 HCPCS Level II codes, including A4290 (Sacral nerve stimulation test lead, each), C1767 (Generator, neurostimulator (implantable), non-rechargeable), C1778 (Lead, neurostimulator (implantable)). 1 of these codes has a 2026 DMEPOS fee schedule amount; L8678 pays $11.40 to $31.64 depending on the state. The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with T85.111A as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| A4290 | Sacral nerve stimulation test lead, each | Carrier judgment | — | 2 |
| C1767 | Generator, neurostimulator (implantable), non-rechargeable | Special coverage instructions apply | — | 2 |
| C1778 | Lead, neurostimulator (implantable) | Special coverage instructions apply | — | 2 |
| C1820 | Generator, neurostimulator (implantable), with rechargeable battery and charging system | Special coverage instructions apply | — | 2 |
| C1883 | Adapter/extension, pacing lead or neurostimulator lead (implantable) | Special coverage instructions apply | — | 2 |
| C1897 | Lead, neurostimulator test kit (implantable) | Special coverage instructions apply | — | 2 |
| L8678 | Electrical stimulator supplies (external) for use with implantable neurostimulator, per month | Carrier judgment | $11.40–$31.64 | 1 |
| C8900 | Magnetic resonance angiography with contrast, abdomen | Special coverage instructions apply | — | 1 |
| C8901 | Magnetic resonance angiography without contrast, abdomen | Special coverage instructions apply | — | 1 |
| C8902 | Magnetic resonance angiography without contrast followed by with contrast, abdomen | Special coverage instructions apply | — | 1 |
| C8909 | Magnetic resonance angiography with contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 1 |
| C8910 | Magnetic resonance angiography without contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 1 |
| C8911 | Magnetic resonance angiography without contrast followed by with contrast, chest (excluding myocardium) | Special coverage instructions apply | — | 1 |
| C8912 | Magnetic resonance angiography with contrast, lower extremity | Special coverage instructions apply | — | 1 |
| C8913 | Magnetic resonance angiography without contrast, lower extremity | Special coverage instructions apply | — | 1 |
| C8914 | Magnetic resonance angiography without contrast followed by with contrast, lower extremity | Special coverage instructions apply | — | 1 |
| C8918 | Magnetic resonance angiography with contrast, pelvis | Special coverage instructions apply | — | 1 |
| C8919 | Magnetic resonance angiography without contrast, pelvis | Special coverage instructions apply | — | 1 |
| C8920 | Magnetic resonance angiography without contrast followed by with contrast, pelvis | Special coverage instructions apply | — | 1 |
| C8931 | Magnetic resonance angiography with contrast, spinal canal and contents | Special coverage instructions apply | — | 1 |
| C8932 | Magnetic resonance angiography without contrast, spinal canal and contents | Special coverage instructions apply | — | 1 |
| C8933 | Magnetic resonance angiography without contrast followed by with contrast, spinal canal and contents | Special coverage instructions apply | — | 1 |
| C8934 | Magnetic resonance angiography with contrast, upper extremity | Special coverage instructions apply | — | 1 |
| C8935 | Magnetic resonance angiography without contrast, upper extremity | Special coverage instructions apply | — | 1 |
| C8936 | Magnetic resonance angiography without contrast followed by with contrast, upper extremity | Special coverage instructions apply | — | 1 |
1 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing T85.111A
- A53359: Billing and Coding: Sacral Nerve Stimulation for Urinary and Fecal Incontinence (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 7 Level II codes)
- A59332: Billing and Coding: Sacral Nerve Stimulation for the Treatment of Urinary and Fecal Incontinence (Palmetto GBA (MAC - Part A, MAC - Part B); 7 Level II codes). LCD with the same title: L39543
- A56747: Billing and Coding: Magnetic Resonance Angiography (MRA) (Wellpoint Federal (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L33633, L34372, L34865
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other T85 diagnoses (Complications of other internal prosthetic devices, implants and grafts)
- T85.110A — Breakdown (mechanical) of implanted electronic neurostimulator of…
- T85.113A — Breakdown (mechanical) of implanted electronic neurostimulator…
- T85.120A — Displacement of implanted electronic neurostimulator of brain…
- T85.121A — Displacement of implanted electronic neurostimulator of peripheral…
- T85.123A — Displacement of implanted electronic neurostimulator, generator…
- T85.191A — Other mechanical complication of implanted electronic…
- T85.193A — Other mechanical complication of implanted electronic…
- T85.01XA — Breakdown (mechanical) of ventricular intracranial (communicating)…
- T85.02XA — Displacement of ventricular intracranial (communicating) shunt…
- T85.03XA — Leakage of ventricular intracranial (communicating) shunt, initial…
- T85.09XA — Other mechanical complication of ventricular intracranial…
- T85.41XA — Breakdown (mechanical) of breast prosthesis and implant, initial…
- T85.42XA — Displacement of breast prosthesis and implant, initial encounter
- T85.43XA — Leakage of breast prosthesis and implant, initial encounter
- T85.44XA — Capsular contracture of breast implant, initial encounter
- T85.49XA — Other mechanical complication of breast prosthesis and implant…
- T85.71XA — Infection and inflammatory reaction due to peritoneal dialysis…
- T85.72XA — Infection and inflammatory reaction due to insulin pump, initial…
- T85.79XA — Infection and inflammatory reaction due to other internal prosthetic…
- T85.898A — Other specified complication of other internal prosthetic devices…
Frequently asked questions
Does Medicare cover T85.111A (Breakdown (mechanical) of implanted electronic…)?
Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list T85.111A as a covered diagnosis for 26 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 T85.111A?
The Level II codes from the policies most specific to this diagnosis are A4290 (Sacral nerve stimulation test lead, each, 2 articles); C1767 (Generator, neurostimulator (implantable), non-rechargeable, 2 articles); C1778 (Lead, neurostimulator (implantable), 2 articles); C1820 (Generator, neurostimulator (implantable), with…, 2 articles); C1883 (Adapter/extension, pacing lead or neurostimulator lead…, 2 articles). Code choice depends on the item supplied; check each code's descriptor.
What does Medicare pay for equipment billed with T85.111A?
Under the 2026 DMEPOS fee schedule (non-rural state fees): L8678 $11.40 to $31.64. Medicare pays 80% of the allowed amount after the Part B deductible.
Which Medicare policy articles list T85.111A?
A53359 (Billing and Coding: Sacral Nerve Stimulation for Urinary and Fecal Incontinence); A59332 (Billing and Coding: Sacral Nerve Stimulation for the Treatment of Urinary and Fecal Incontinence); A56747 (Billing and Coding: Magnetic Resonance Angiography (MRA)).
What is ICD-10-CM code T85.111A?
T85.111A is the ICD-10-CM code for breakdown (mechanical) of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter, in category T85 (Complications of other internal prosthetic devices, implants and grafts), chapter 19: Injury, poisoning and other consequences of external causes.
Next steps
- Run a reimbursement report for a device billed under A4290
- Watch A4290 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A4290
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 19: Injury, poisoning and other consequences of external causes · All diagnoses · HCPCS lookup