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    v1.0.28
    OpenPayerBilling CodesBurns and corrosions confined to eye and internal organsICD-10-CM t28-burn-and-corrosion-of-internal-organs
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    ICD-10-CM Code For Burn And Corrosion Of Other Internal Organs: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group T28 includes burns and corrosions of internal organs other than the eye, covering injuries to structures such as the respiratory tract, gastrointestinal tract, and genitourinary organs caused by thermal or chemical agents. These ICD-10-CM diagnosis codes are used to document the extent of tissue damage, specify the affected internal organ(s), and capture clinical complexity such as severity and complications. Accurate coding within the ICD-10-CM T28 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM T28: Burn And Corrosion Of Other Internal Organs Overview

    The diagnoses in this group represent burns and corrosive injuries that affect internal organs beyond the eye, such as respiratory, digestive, or genitourinary structures. These injuries result from thermal, chemical, or corrosive exposures causing tissue damage to internal organs. Accurate coding is important to reflect injury severity and organ involvement, which influences clinical documentation and reimbursement.

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    When to Use

    Use a code from this group when clinical documentation indicates a burn or corrosive injury has affected an internal organ beyond the eye and the specific organ or site is identified. Choose the most specific code that reflects the causative agent, anatomical site, and severity as documented in the medical record.

    ICD-10-CM Codes

    54 rows

    ICD-10-CM CodeDescription
    T28.0XXABurn of mouth and pharynx, initial encounter
    T28.0XXDBurn of mouth and pharynx, subsequent encounter
    T28.0XXSBurn of mouth and pharynx, sequela
    T28.1XXABurn of esophagus, initial encounter
    T28.1XXDBurn of esophagus, subsequent encounter
    T28.1XXSBurn of esophagus, sequela
    T28.2XXABurn of other parts of alimentary tract, initial encounter
    T28.2XXDBurn of other parts of alimentary tract, subsequent encounter
    T28.2XXSBurn of other parts of alimentary tract, sequela
    T28.3XXABurn of internal genitourinary organs, initial encounter
    T28.3XXDBurn of internal genitourinary organs, subsequent encounter
    T28.3XXSBurn of internal genitourinary organs, sequela
    T28.40XABurn of unspecified internal organ, initial encounter
    T28.40XDBurn of unspecified internal organ, subsequent encounter
    T28.40XSBurn of unspecified internal organ, sequela
    T28.411ABurn of right ear drum, initial encounter
    T28.411DBurn of right ear drum, subsequent encounter
    T28.411SBurn of right ear drum, sequela
    T28.412ABurn of left ear drum, initial encounter
    T28.412DBurn of left ear drum, subsequent encounter

    Showing 1–20 of 54

    DRG Codes

    17 rows

    DRG CodeDescription
    011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
    012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
    013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
    154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
    155Other Ear, Nose, Mouth and Throat Diagnoses with CC
    156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC
    368Major Esophageal Disorders with MCC
    369Major Esophageal Disorders with CC
    370Major Esophageal Disorders without CC/MCC
    393Other Digestive System Diagnoses with MCC
    394Other Digestive System Diagnoses with CC
    395Other Digestive System Diagnoses without CC/MCC
    604Trauma to the Skin, Subcutaneous Tissue and Breast with MCC
    605Trauma to the Skin, Subcutaneous Tissue and Breast without MCC
    935Non-Extensive Burns
    949Aftercare with CC/MCC
    950Aftercare without CC/MCC

    Typical Clinical Scenarios

    • An adult presents to the emergency department after accidental ingestion of a caustic oven cleaner causing immediate severe chest and abdominal pain, drooling, vomiting, and signs of airway irritation. Endoscopy confirms corrosive injury to the esophagus and stomach requiring urgent airway assessment and hospitalization; a code from this group is assigned to capture burns/corrosions of internal alimentary organs from ingestion. Typical codes: T28.40XA, T28.419A
    • A pediatric patient is admitted after aspiration of hot liquid during a household scald incident, with progressive respiratory distress and imaging suggesting thermal injury to the larynx and trachea; the child requires monitoring in an intensive care setting for airway edema and potential long-term sequelae. The diagnosis reflects burn/corrosion of internal respiratory structures from hot liquid exposure and is coded from this group to document site and initial encounter. Typical codes: T28.1XXA, T28.11XA
    • An adult long-term care resident with a history of chemical exposure develops a chronic stricture of the esophagus and recurrent aspiration pneumonitis months after the initial corrosive injury; they are seen for ongoing management of complications and sequelae of the prior internal corrosion. A code from this group representing subsequent encounter or sequela is used to record the continuing effects of the earlier burn/corrosion. Typical codes: T28.0XXD, T28.99XS

    Related Codes

    T26-BURN-AND-CORROSION-EYE-ADNEXA

    ICD-10-CM Code For Burn And Corrosion Confined To Eye And Adnexa: Group Overview

    T27-BURN-AND-CORROSION-OF-RESPIRATORY-TRACT

    ICD-10-CM Code For Burn And Corrosion Of Respiratory Tract: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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