2026 ICD-10-CM Diagnosis Code S27.2XXDTraumatic hemopneumothorax, subsequent encounter

ICD-10-CM Codes›S00–T88›S20-S29›S27

ICD-10-CM S27.2XXD
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S27.2XXD is a billable ICD-10-CM diagnosis code for traumatic hemopneumothorax, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Internal organ injury, subsequent encounter.

Code Identity

ICD-10-CM Code
S27.2XXD
Billable Status
Yes — Valid for Submission
Code Describes
Traumatic hemopneumothorax, subsequent encounter
Short Description
Traumatic hemopneumothorax, subsequent encounter
Same as the full description in the CMS dataset.
Parent Code
S27.2
Traumatic hemopneumothorax

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS20-S29Injuries to the thorax
CategoryS27Injury of other and unspecified intrathoracic organs
This CodeS27.2XXDTraumatic hemopneumothorax, subsequent encounter

Present on Admission (POA)Billing

S27.2XXD is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Extravasation injury
  • Hemopneumothorax
  • Hemothorax
  • Traumatic hemothorax
  • Traumatic hemothorax with open wound into thorax
  • Traumatic pneumohemothorax
  • Traumatic pneumohemothorax with open wound into thorax
  • Traumatic pneumothorax
  • Traumatic pneumothorax with open wound into thorax

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of other and unspecified intrathoracic organs (S27). 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 2026, published by CMS and the National Center for Health Statistics.

Clinical ClassificationClinical

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

CCSR INJ047
Internal organ injury, subsequent encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Hemopneumothorax

    collection of air and blood in the pleural cavity.

  • Hemothorax

    hemorrhage within the pleural cavity.

Patient EducationClinical

Pleural Disorders

Your pleura is a large, thin sheet of tissue that wraps around the outside of your lungs and lines the inside of your chest cavity. Between the layers of the pleura is a very thin space. Normally it's filled with a small amount of fluid.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S27.2XXD to ICD-9-CMHistory

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

ICD-9-CM
V58.89 Other specfied aftercare
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S27.2XXDOverview

Is S27.2XXD (Traumatic hemopneumothorax) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report traumatic hemopneumothorax, subsequent encounter on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character D in S27.2XXD mean?

The final character D marks a subsequent encounter: use it for routine care while the traumatic hemopneumothorax is healing, after active treatment has ended.

What MS-DRG does S27.2XXD group to?

When traumatic hemopneumothorax, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 949, 950, with relative weights from 0.6277 to 1.1897 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S27.2XXD exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for traumatic hemopneumothorax, subsequent encounter on inpatient claims.

What is the ICD-9 equivalent of S27.2XXD?

Under the General Equivalence Mappings, traumatic hemopneumothorax, subsequent encounter converts to ICD-9-CM V58.89 (other specfied aftercare). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.