T85.73

Infection and inflammatory reaction due to nervous system devices, implants and graft

Not billable — category only FY2026 2025-10-01 → 2026-09-30

Exclusions 3 never code together

T85code

Excludes2

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

S00-T88chapter

Excludes2

birth trauma (P10-P15)P10-P15
obstetric trauma (O70-O71)O70-O71

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3

A initial encounter

D subsequent encounter

S sequela

Instructional notes 4

T85.7code

Use additional code

code to identify infection

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 filed at null

No alphabetic index entry points at this code.

Alongside this code 3 same parent — T85.7

T85.71 Infect/inflm reaction due to peritoneal dialysis catheter category T85.72 Infection and inflammatory reaction due to insulin pump category T85.79 Infect/inflm reaction due to oth internal prosth dev/grft category

Subordinate codes 7

T85.730 I/I react d/t ventricular intracranial (communicating) shunt T85.731 I/I react d/t implnt elec nstim of brain, electrode (lead) T85.732 I/I react d/t implnt elec nstim of peripheral nerve, lead T85.733 I/I react d/t implnt elec nstim of spinal cord, lead T85.734 I/I react d/t implnt elec nstim, generator T85.735 I/I react d/t cranial or spinal infusion catheter T85.738 I/I react d/t other nervous system device, implant or graft

Medications 5

1336 Nervous System Diseases drugs 131 Nervous System Neoplasms drugs 12 Nervous System Malformations drugs 693 Central Nervous System Diseases drugs 80 Central Nervous System Infections drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: no
Code set: FY2026
Parent: T85.7
Block: T07-T88
Siblings: 3
Subordinate: 7

Present FY2024–FY2027.