T85.9
Unspecified complication of internal prosthetic device, implant and graft
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 9 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 3 never code together
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 4
T85.9code
Inclusion terms
- Complication of internal prosthetic device, implant and graft NOS
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
- Complication (s) (from) (of)
- balloon implant or device
- gastrointestinal T85.9
- bile duct implant (prosthetic) T85.9
- electronic stimulator device
- breast implant (prosthetic) T85.9
- catheter (device) NEC — see also Complications, prosthetic device or implant
- orbital prosthesis T85.9
- prosthetic device or implant T85.9
- specified NEC T85.9
- suture, permanent (wire) NEC T85.9
- ventricular (communicating) shunt (device) T85.9
- esophageal anti-reflux device T85.9
- eye H57.9
- implant (prosthetic) T85.9
- intraocular lens (prosthetic) T85.9
- balloon implant or device
Alongside this code 9 same parent — T85
T85.0 Mechanical complication of ventricular intracranial shunt category T85.1 Mech comp of implanted electrnc stimulator of nervous sys category T85.2 Mechanical complication of intraocular lens category T85.3 Mechanical complication of ocular prosth dev/grft category T85.4 Mechanical complication of breast prosthesis and implant category T85.5 Mechanical complication of gastrointestinal prosth dev/grft category T85.6 Mechanical comp of internal and external prosth dev/grft category T85.7 Infect/inflm reaction due to oth internal prosth dev/grft category T85.8 Oth complications of internal prosth dev/grft, NEC category
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.