ICDcodes.org
FY2027

T88.0XXA — Infection following immunization, initial encounter

BillableCC

Is T88.0XXA billable?

Yes — T88.0XXA is billable for FY2027. T88.0XXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T88.0XXA may be submitted for encounters from October 1, 2026 through September 30, 2027.

T88.0XXA at a glance

CodeT88.0XXA
DescriptionInfection following immunization, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in T88.0XXA?

In T88.0XXA, the 7th character A means initial encounter. The 7th character is required for T88.0XXA to be a valid, complete code.

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

Which MS-DRGs does T88.0XXA group to?

T88.0XXA sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 791Prematurity with Major Problemsmedical

As a secondary diagnosis, T88.0XXA is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is T88.0XXA listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T88.0, the nearest indexed parent of T88.0XXA. Use them to find the family, then select the specific code.

  • Cellulitis › vaccinal (diffuse) (phlegmonous) (septic) (suppurative)
  • Infection, infected, infective › postvaccinal (opportunistic)
  • Infection, infected, infective › vaccination (opportunistic)
  • Pyemia, pyemic › postvaccinal (fever) (infection) (purulent)
  • Complication › vaccination › cellulitis (s) (from) (of)
  • Complication › vaccination › infectionNEC (s) (from) (of)
  • Complication › vaccination › sepsis (s) (from) (of)
  • Infection, infected, infective › due to or resulting from › immunization or vaccination (opportunistic)

Inclusion terms

Alternative wording in documentation that is classified to T88.0XXA.

  • Sepsis following immunization

Use additional code — inherited from Chapter 19

Report an additional code alongside T88.0XXA to fully describe the condition. T88.0XXA 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 T88.0XXA to fully describe the condition. T88.0XXA 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)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T88.0XXA, but a patient may have both at the same time. When documentation supports it, T88.0XXA 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 T88.0XXA, but a patient may have both at the same time. When documentation supports it, T88.0XXA 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 T88

The conditions below are not part of T88.0XXA, but a patient may have both at the same time. When documentation supports it, T88.0XXA and the excluded code may both be reported.

  • complication following infusion, transfusion and therapeutic injection (T80.-)
  • complication following procedure NEC (T81.-)
  • complications of anesthesia in labor and delivery (O74.-)
  • complications of anesthesia in pregnancy (O29.-)
  • complications of anesthesia in puerperium (O89.-)
  • complications of devices, implants and grafts (T82-T85)
  • complications of obstetric surgery and procedure (O75.4)
  • dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
  • poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
  • specified complications classified elsewhere

How long has T88.0XXA existed?

T88.0XXA has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

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