2021 ICD-10-CM Diagnosis Code S84.91XA

Injury of unspecified nerve at lower leg level, right leg, initial encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • S84.91XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Injury of unsp nerve at lower leg level, right leg, init
  • The 2021 edition of ICD-10-CM S84.91XA became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S84.91XA - other international versions of ICD-10 S84.91XA may differ.
The following code(s) above S84.91XA 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 S84.91XA:
  • 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
  • Nerve injury at right lower leg level
  • Nerve injury, right lower leg level
ICD-10-CM S84.91XA 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
  • 955 Craniotomy for multiple significant trauma
  • 956 Limb reattachment, hip and femur procedures for multiple significant trauma
  • 957 Other o.r. Procedures for multiple significant trauma with mcc
  • 958 Other o.r. Procedures for multiple significant trauma with cc
  • 959 Other o.r. Procedures for multiple significant trauma without cc/mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc

Convert S84.91XA 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 S84.91XA
S84.809 Injury of other nerves at lower leg level, unspecified leg
S84.809A …… initial encounter
S84.809D …… subsequent encounter
S84.809S …… sequela
S84.9 Injury of unspecified nerve at lower leg level
S84.90 Injury of unspecified nerve at lower leg level, unspecified leg
S84.90XA …… initial encounter
S84.90XD …… subsequent encounter
S84.90XS …… sequela
S84.91 Injury of unspecified nerve at lower leg level, right leg
S84.91XA …… initial encounter
S84.91XD …… subsequent encounter
S84.91XS …… sequela
S84.92 Injury of unspecified nerve at lower leg level, left leg
S84.92XA …… initial encounter
S84.92XD …… subsequent encounter
S84.92XS …… sequela
S85 Injury of blood vessels at lower leg level
S85.0 Injury of popliteal artery
S85.00 Unspecified injury of popliteal artery
S85.001 Unspecified injury of popliteal artery, right leg

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