MCMedicalCodingSoftware
T85.735

T85.735: Infection and inflammatory reaction due to cranial or spinal infusion catheter

Non-billable headerICD-10-CM

T85.735 is a non-billable header ICD-10-CM code for infection and inflammatory reaction due to cranial or spinal infusion catheter. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T85

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Infection and inflammatory reaction due to epidural catheter
  • Infection and inflammatory reaction due to intrathecal infusion catheter
  • Infection and inflammatory reaction due to subarachnoid catheter
  • Infection and inflammatory reaction due to subdural catheter

Excludes2 inherited from the categories above T85.735

Not part of this code, but both may be coded when both are present.

Written on T85: Complications of other internal prosthetic devices, implants and grafts

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Complication›catheter NEC›cranial infusion›infection and inflammation
  • Complication›catheter NEC›epidural infusion›infection and inflammation
  • Complication›catheter NEC›intrathecal infusion›infection and inflammation
  • Complication›catheter NEC›spinal infusion›infection and inflammation
  • Complication›catheter NEC›subarachnoid infusion›infection and inflammation
  • Complication›catheter NEC›subdural infusion›infection and inflammation
  • Inflammation, inflamed, inflammatory›due to device, implant or graft›catheter›infusion›cranial
  • Inflammation, inflamed, inflammatory›due to device, implant or graft›catheter›infusion›intrathecal
  • Inflammation, inflamed, inflammatory›due to device, implant or graft›catheter›infusion›spinal(epidural) (subdural)
  • Inflammation, inflamed, inflammatory›due to device, implant or graft›catheter›infusion›subarachnoid
  • Sepsis›due to device, implant or graft›catheter NEC›infusion NEC›spinal(cranial) (epidural) (intrathecal) (spinal) (subarachnoid) (subdural)
  • Infection, infected, infective›due to or resulting from›device, implant or graft›catheter NEC›infusion NEC›cranial

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T85.735

3 child codes. Green means billable.

Other codes under T85.73

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.