2021 ICD-10-CM Diagnosis Code S84.21XA

Injury of cutaneous sensory nerve at lower leg level, right leg, initial encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • S84.21XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Inj cutan sensory nerve at lower leg level, right leg, init
  • The 2021 edition of ICD-10-CM S84.21XA became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S84.21XA - other international versions of ICD-10 S84.21XA may differ.
The following code(s) above S84.21XA 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 S84.21XA:
  • 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
  • S80-S89
    2021 ICD-10-CM Range S80-S89

    Injuries to the knee and lower leg

    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • frostbite (T33-T34)
    • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
    • insect bite or sting, venomous (T63.4)
    Injuries to the knee and lower leg
  • S84
    ICD-10-CM Diagnosis Code S84

    Injury of nerves at lower leg level

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • any associated open wound (S81.-)
    Type 2 Excludes
    • injury of nerves at ankle and foot level (S94.-)
    Injury of nerves at lower leg level
Approximate Synonyms
  • Cutaneous sensory nerve injury, right lower leg level
  • Injury of cutaneous sensory nerve of right lower leg
ICD-10-CM S84.21XA is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 073 Cranial and peripheral nerve disorders with mcc
  • 074 Cranial and peripheral nerve 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

Convert S84.21XA 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 S84.21XA
S84.12 Injury of peroneal nerve at lower leg level, left leg
S84.12XA …… initial encounter
S84.12XD …… subsequent encounter
S84.12XS …… sequela
S84.2 Injury of cutaneous sensory nerve at lower leg level
S84.20 Injury of cutaneous sensory nerve at lower leg level, unspecified leg
S84.20XA …… initial encounter
S84.20XD …… subsequent encounter
S84.20XS …… sequela
S84.21 Injury of cutaneous sensory nerve at lower leg level, right leg
S84.21XA …… initial encounter
S84.21XD …… subsequent encounter
S84.21XS …… sequela
S84.22 Injury of cutaneous sensory nerve at lower leg level, left leg
S84.22XA …… initial encounter
S84.22XD …… subsequent encounter
S84.22XS …… sequela
S84.8 Injury of other nerves at lower leg level
S84.80 Injury of other nerves at lower leg level
S84.801 Injury of other nerves at lower leg level, right leg
S84.801A …… initial encounter

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