ICDcodes.org
FY2027

T86.8492Unspecified complication of corneal transplant, left eye

BillableUnspecifiedCC

Is T86.8492 billable?

Yes, but T86.8492 is an unspecified code. T86.8492 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T86.8492 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T86.8492 — the more specific alternatives are listed below.

T86.8492 at a glance

CodeT86.8492
DescriptionUnspecified complication of corneal transplant, left eye
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does T86.8492 group to?

T86.8492 sits in MDC 21 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 919Complications of Treatment with MCCmedical
  • 920Complications of Treatment with CCmedical
  • 921Complications of Treatment without CC/MCCmedical

As a secondary diagnosis, T86.8492 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is T86.8492 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T86.849, the nearest indexed parent of T86.8492. Use them to find the family, then select the specific code.

  • Complicationgraftcornea (s) (from) (of)
  • Complicationtransplantcornea (s) (from) (of)

Use additional code — inherited from Chapter 19

Report an additional code alongside T86.8492 to fully describe the condition. T86.8492 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 T86.8492 to fully describe the condition. T86.8492 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 T86

Report an additional code alongside T86.8492 to fully describe the condition. T86.8492 is sequenced first.

  • code to identify other transplant complications, such as:
  • graft-versus-host disease (D89.81-)
  • malignancy associated with organ transplant (C80.2)
  • post-transplant lymphoproliferative disorders (PTLD) (D47.Z1)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T86.8492, but a patient may have both at the same time. When documentation supports it, T86.8492 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 T86.8492, but a patient may have both at the same time. When documentation supports it, T86.8492 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 T86.84

The conditions below are not part of T86.8492, but a patient may have both at the same time. When documentation supports it, T86.8492 and the excluded code may both be reported.

  • mechanical complications of corneal graft (T85.3-)

How long has T86.8492 existed?

T86.8492 first appears in FY2021 (FY2020 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.

What other codes are in the T86.849 family? (3)