T85.9 – Unspecified complication of internal prosthetic device, implant and graft
ICD-10-CM 2027 diagnosis code · Complications of surgical and medical care, not elsewhere classified
ICD-10-CM code
T85.9
- Code
T85.9(claims format:T859)- Description
- Unspecified complication of internal prosthetic device, implant and graft
- Short description
- Unsp complication of internal prosth dev/grft
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- T80-T88 Complications of surgical and medical care, not elsewhere classified
- Parent codes
- T85
Billable codes under T85.9
T85.9 is a header code and cannot be used on claims. Choose the most specific code:
- T85.9XXA – Unspecified complication of internal prosthetic device, implant and graft, initial encounterBillable
- T85.9XXD – Unspecified complication of internal prosthetic device, implant and graft, subsequent encounterBillable
- T85.9XXS – Unspecified complication of internal prosthetic device, implant and graft, sequelaBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for T85.9
Applicable to:
- Complication of internal prosthetic device, implant and graft NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
T85 – Complications of other internal prosthetic devices, implants and grafts
Excludes2 (not included here):
- failure and rejection of transplanted organs and tissue (T86.-)
7th character note:
- The appropriate 7th character is to be added to each code from category T85
Block T80-T88
Excludes2 (not included here):
- any encounters with medical care for postprocedural conditions in which no complications are present, such as:
- artificial opening status (Z93.-)
- closure of external stoma (Z43.-)
- fitting and adjustment of external prosthetic device (Z44.-)
- burns and corrosions from local applications and irradiation (T20-T32)
- complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
- mechanical complication of respirator [ventilator] (J95.850)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- postprocedural fever (R50.82)
- specified complications classified elsewhere, such as:
- cerebrospinal fluid leak from spinal puncture (G97.0)
- colostomy malfunction (K94.0-)
- disorders of fluid and electrolyte imbalance (E86-E87)
- functional disturbances following cardiac surgery (I97.0-I97.1)
- intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
- ostomy complications (J95.0-, K94.-, N99.5-)
- postgastric surgery syndromes (K91.1)
- postlaminectomy syndrome NEC (M96.1)
- postmastectomy lymphedema syndrome (I97.2)
- postsurgical blind-loop syndrome (K91.2)
- ventilator associated pneumonia (J95.851)
Index terms for T85.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Complication, ventricular
- Complication, eye, implant
- Complication, breast implant
- Complication, intraocular lens
- Complication, bile duct implant
- Complication, suture, permanent
- Complication, orbital prosthesis
- Complication, catheter, subdural infusion
- Complication, catheter, epidural infusion
- Complication, prosthetic device or implant
- Complication, esophageal anti-reflux device
- Complication, catheter, intraperitoneal dialysis
- Complication, electronic stimulator device, brain
- Complication, electronic stimulator device, spinal cord
- Complication, prosthetic device or implant, specified NEC
- Complication, balloon implant or device, gastrointestinal
- Complication, electronic stimulator device, nervous system
- Complication, electronic stimulator device, peripheral nerve
Related codes in T85
- T85.0 – Mechanical complication of ventricular intracranial (communicating) shuntHeader
- T85.1 – Mechanical complication of implanted electronic stimulator of nervous systemHeader
- T85.2 – Mechanical complication of intraocular lensHeader
- T85.3 – Mechanical complication of other ocular prosthetic devices, implants and graftsHeader
- T85.4 – Mechanical complication of breast prosthesis and implantHeader
- T85.5 – Mechanical complication of gastrointestinal prosthetic devices, implants and graftsHeader
- T85.6 – Mechanical complication of other specified internal and external prosthetic devices, implants and graftsHeader
- T85.7 – Infection and inflammatory reaction due to other internal prosthetic devices, implants and graftsHeader
- T85.8 – Other specified complications of internal prosthetic devices, implants and grafts, not elsewhere classifiedHeader
Frequently asked questions
What is ICD-10 code T85.9?
T85.9 is the ICD-10-CM code for unspecified complication of internal prosthetic device, implant and graft, in the block T80-T88 (Complications of surgical and medical care, not elsewhere classified).
Is T85.9 a billable code?
No. T85.9 is a header code with more specific child codes; report one of the billable codes listed above.
What category does T85.9 belong to?
It belongs to category T85 – Complications of other internal prosthetic devices, implants and grafts.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.