2027 ICD-10-CM Diagnosis Code T81.82XAEmphysema (subcutaneous) resulting from a procedure, initial encounter

ICD-10-CM Codes›S00–T88›T80-T88›T81

ICD-10-CM T81.82XA
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

T81.82XA is a billable ICD-10-CM diagnosis code for emphysema (subcutaneous) resulting from a procedure, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 919 through 921. Coders also document this condition as intraoperative subcutaneous emphysema. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication of other surgical or medical care, injury, initial encounter.

Code Identity

ICD-10-CM Code
T81.82XA
Billable Status
Yes — Valid for Submission
Code Describes
Emphysema (subcutaneous) resulting from a procedure, initial encounter
Short Description
Emphysema (subcutaneous) resulting from a procedure, init
Parent Code
T81.82
Emphysema (subcutaneous) resulting from a procedure

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionT80-T88Complications of surgical and medical care, not elsewhere classified
CategoryT81Complications of procedures, not elsewhere classified
This CodeT81.82XAEmphysema (subcutaneous) resulting from a procedure, initial encounter

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Intraoperative subcutaneous emphysema
  • Subcutaneous emphysema
  • Subcutaneous emphysema due to procedure

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Complications of procedures, not elsewhere classified (T81). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to T81.82XA: its own notes plus those printed at T81.8, T81, block T80-T88, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From T81.8 Other complications of procedures, not elsewhere classified applies to 12 codes
  • hypothermia following anesthesia (T88.51)
  • malignant hyperpyrexia due to anesthesia (T88.3)
From T81 Complications of procedures, not elsewhere classified applies to 240 codes
From Block T80-T88 Complications of surgical and medical care, not elsewhere classified applies to 1,683 codes
  • 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)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From T81 Complications of procedures, not elsewhere classified applies to 240 codes
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
From Block T80-T88 Complications of surgical and medical care, not elsewhere classified applies to 1,683 codes
  • 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)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • code to identify any retained foreign body, if applicable (Z18.-)

Notes

General instructions on how these codes are used.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • 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.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

From T81 Complications of procedures, not elsewhere classified applies to 240 codes
  • The appropriate 7th character is to be added to each code from category T81
Values for category T81 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter this code
  • Dsubsequent encounter
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name T81.82XA, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming T81.82XA: they are not reported together with it, unless the two conditions are unrelated.

  • J43 Emphysema
    surgical (subcutaneous) emphysema (T81.82) names T81.82, which includes this code
  • J98.2 Interstitial emphysema
    surgical emphysema (subcutaneous) (T81.82) names T81.82, which includes this code

Excludes2 3

These codes carry an Excludes2 note naming T81.82XA: its condition is not part of those codes, and both may be reported when the patient has both.

  • J95 Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified
    emphysema (subcutaneous) resulting from a procedure (T81.82) names T81.82, which includes this code
  • T79.7 Traumatic subcutaneous emphysema
    emphysema (subcutaneous) resulting from a procedure (T81.82) names T81.82, which includes this code
  • T88 Other complications of surgical and medical care, not elsewhere classified
    complication following procedure NEC (T81.-) names T81.-, which includes this code

Code First 1

These codes say to code first a condition named in the note, and T81.82XA is one of the conditions named.

  • J98.51 Mediastinitis
    underlying condition, if applicable, such as postoperative mediastinitis (T81.-) names T81.-, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ037
Complication of other surgical or medical care, injury, initial encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert T81.82XA to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
998.81 Emphysema rsult frm proc
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About T81.82XAOverview

What is the ICD-10 code for emphysema (subcutaneous) resulting from a procedure, initial encounter?

The ICD-10-CM code for emphysema (subcutaneous) resulting from a procedure, initial encounter is T81.82XA (sometimes written as T8182XA). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is T81.82XA (Emphysema (subcutaneous) resulting from a procedure) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report emphysema (subcutaneous) resulting from a procedure, initial encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character A in T81.82XA mean?

The final character A marks the initial encounter: use it while the patient is receiving active treatment for emphysema (subcutaneous) resulting from a procedure, such as an emergency visit or first evaluation.

What MS-DRG does T81.82XA group to?

When emphysema (subcutaneous) resulting from a procedure, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 920, 919, 921, with relative weights from 0.6719 to 1.7624 depending on complications. Higher weights mean higher Medicare reimbursement.

Does T81.82XA need an additional code?

When the condition applies, yes. The Use Additional Code note at T81, which applies to T81.82XA, reads: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5). The additional code is reported after T81.82XA.