2021

  1. ICD-10-CM Codes
    2. ›
  2. S00-T88 Injury, poisoning and certain other consequences of external causes
    3. ›
  3. S40-S49 Injuries to the shoulder and upper arm
    4. ›
  4. S40- Superficial injury of shoulder and upper arm
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code S40.921S

2021 ICD-10-CM Diagnosis Code S40.921S

Unspecified superficial injury of right upper arm, sequela

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • S40.921S is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM S40.921S became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S40.921S - other international versions of ICD-10 S40.921S may differ.
The following code(s) above S40.921S 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 S40.921S:
  • S00-T88
    2021 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • 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
  • S40-S49
    2021 ICD-10-CM Range S40-S49

    Injuries to the shoulder and upper arm

    Includes
    • injuries of axilla
    • injuries of scapular region
    Type 2 Excludes
    Injuries to the shoulder and upper arm
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • S40.921S is considered exempt from POA reporting.
ICD-10-CM S40.921S is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 604 Trauma to the skin, subcutaneous tissue and breast with mcc
  • 605 Trauma to the skin, subcutaneous tissue and breast without mcc

Convert S40.921S to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To S40.921S
S40.912D …… subsequent encounter
S40.912S …… sequela
S40.919 Unspecified superficial injury of unspecified shoulder
S40.919A …… initial encounter
S40.919D …… subsequent encounter
S40.919S …… sequela
S40.92 Unspecified superficial injury of upper arm
S40.921 Unspecified superficial injury of right upper arm
S40.921A …… initial encounter
S40.921D …… subsequent encounter
S40.921S …… sequela
S40.922 Unspecified superficial injury of left upper arm
S40.922A …… initial encounter
S40.922D …… subsequent encounter
S40.922S …… sequela
S40.929 Unspecified superficial injury of unspecified upper arm
S40.929A …… initial encounter
S40.929D …… subsequent encounter
S40.929S …… sequela
S41 Open wound of shoulder and upper arm
S41.0 Open wound of shoulder

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

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