ICDcodes.org
FY2027

T85.735S — Infection and inflammatory reaction due to cranial or spinal infusion catheter, sequela

Billable

Is T85.735S billable?

Yes — T85.735S is billable for FY2027. T85.735S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T85.735S may be submitted for encounters from October 1, 2026 through September 30, 2027.

T85.735S at a glance

CodeT85.735S
DescriptionInfection and inflammatory reaction due to cranial or spinal infusion catheter, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in T85.735S?

In T85.735S, the 7th character S means sequela. The 7th character is required for T85.735S to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does T85.735S group to?

T85.735S sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 922Other Injury, Poisoning and Toxic Effect Diagnoses with MCCmedical
  • 923Other Injury, Poisoning and Toxic Effect Diagnoses without MCCmedical

How is T85.735S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T85.735, the nearest indexed parent of T85.735S. Use them to find the family, then select the specific code.

  • Complication › catheterNEC › cranial infusion › infection and inflammation (s) (from) (of)
  • Complication › catheterNEC › epidural infusion › infection and inflammation (s) (from) (of)
  • Complication › catheterNEC › intrathecal infusion › infection and inflammation (s) (from) (of)
  • Complication › catheterNEC › spinal infusion › infection and inflammation (s) (from) (of)
  • Complication › catheterNEC › subarachnoid infusion › infection and inflammation (s) (from) (of)
  • Complication › catheterNEC › subdural infusion › infection and inflammation (s) (from) (of)
  • Inflammation, inflamed, inflammatory › due to device, implant or graft › catheter › infusion › cranial (with exudation)
  • Inflammation, inflamed, inflammatory › due to device, implant or graft › catheter › infusion › intrathecal (with exudation)

Inclusion terms

Alternative wording in documentation that is classified to T85.735S.

  • 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

Use additional code — inherited from Chapter 19

Report an additional code alongside T85.735S to fully describe the condition. T85.735S is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Use additional code — inherited from T80-T88

Report an additional code alongside T85.735S to fully describe the condition. T85.735S is sequenced first.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • code(s) to identify the specified condition resulting from the complication
  • code to identify devices involved and details of circumstances (Y62-Y82)

Use additional code — inherited from T85.7

Report an additional code alongside T85.735S to fully describe the condition. T85.735S is sequenced first.

  • code to identify infection

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T85.735S, but a patient may have both at the same time. When documentation supports it, T85.735S and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from T80-T88

The conditions below are not part of T85.735S, but a patient may have both at the same time. When documentation supports it, T85.735S and the excluded code may both be reported.

  • 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)

Excludes2 — not included here — inherited from T85

The conditions below are not part of T85.735S, but a patient may have both at the same time. When documentation supports it, T85.735S and the excluded code may both be reported.

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

How long has T85.735S existed?

T85.735S first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.