2022 ICD-10-CM Diagnosis Code S20.323A

Blister (nonthermal) of bilateral front wall of thorax, initial encounter

    2021 - New Code 2022 Billable/Specific Code
  • S20.323A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Blister (nonthermal) of bilateral front wall of thorax, init
  • The 2022 edition of ICD-10-CM S20.323A became effective on October 1, 2021.
  • This is the American ICD-10-CM version of S20.323A - other international versions of ICD-10 S20.323A may differ.
The following code(s) above S20.323A contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S20.323A:
  • S00-T88
    2022 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    • 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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S20-S29
    2022 ICD-10-CM Range S20-S29

    Injuries to the thorax

    • injuries of breast
    • injuries of chest (wall)
    • injuries of interscapular area
    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • effects of foreign body in bronchus (T17.5)
    • effects of foreign body in esophagus (T18.1)
    • effects of foreign body in lung (T17.8)
    • effects of foreign body in trachea (T17.4)
    • frostbite (T33-T34)
    • injuries of axilla
    • injuries of clavicle
    • injuries of scapular region
    • injuries of shoulder
    • insect bite or sting, venomous (T63.4)
    Injuries to the thorax
ICD-10-CM S20.323A is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc
Code History
  • 2021 (effective 10/1/2020): New code
  • 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To S20.323A
S20.32 Blister (nonthermal) of front wall of thorax
S20.321 Blister (nonthermal) of right front wall of thorax
S20.321A …… initial encounter
S20.321D …… subsequent encounter
S20.321S …… sequela
S20.322 Blister (nonthermal) of left front wall of thorax
S20.322A …… initial encounter
S20.322D …… subsequent encounter
S20.322S …… sequela
S20.323 Blister (nonthermal) of bilateral front wall of thorax
S20.323A …… initial encounter
S20.323D …… subsequent encounter
S20.323S …… sequela
S20.324 Blister (nonthermal) of middle front wall of thorax
S20.324A …… initial encounter
S20.324D …… subsequent encounter
S20.324S …… sequela
S20.329 Blister (nonthermal) of unspecified front wall of thorax
S20.329A …… initial encounter
S20.329D …… subsequent encounter
S20.329S …… sequela

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.