2021 ICD-10-CM Diagnosis Code S83.521A

Sprain of posterior cruciate ligament of right knee, initial encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • S83.521A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Sprain of posterior cruciate ligament of right knee, init
  • The 2021 edition of ICD-10-CM S83.521A became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S83.521A - other international versions of ICD-10 S83.521A may differ.
The following code(s) above S83.521A 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 S83.521A:
  • 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
  • S83
    ICD-10-CM Diagnosis Code S83

    Dislocation and sprain of joints and ligaments of knee

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • any associated open wound
    Includes
    • avulsion of joint or ligament of knee
    • laceration of cartilage, joint or ligament of knee
    • sprain of cartilage, joint or ligament of knee
    • traumatic hemarthrosis of joint or ligament of knee
    • traumatic rupture of joint or ligament of knee
    • traumatic subluxation of joint or ligament of knee
    • traumatic tear of joint or ligament of knee
    Type 2 Excludes
    • derangement of patella (M22.0-M22.3)
    • injury of patellar ligament (tendon) (S76.1-)
    • internal derangement of knee (M23.-)
    • old dislocation of knee (M24.36)
    • pathological dislocation of knee (M24.36)
    • recurrent dislocation of knee (M22.0)
    • strain of muscle, fascia and tendon of lower leg (S86.-)
    Dislocation and sprain of joints and ligaments of knee
Approximate Synonyms
  • Right knee posterior cruciate ligament sprain
  • Right knee posterior cruciate ligament tear
  • Sprain of posterior cruciate ligament of right knee
  • Tear of posterior cruciate ligament of right knee
ICD-10-CM S83.521A is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 562 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh with mcc
  • 563 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh 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 S83.521A 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 S83.521A
S83.512 Sprain of anterior cruciate ligament of left knee
S83.512A …… initial encounter
S83.512D …… subsequent encounter
S83.512S …… sequela
S83.519 Sprain of anterior cruciate ligament of unspecified knee
S83.519A …… initial encounter
S83.519D …… subsequent encounter
S83.519S …… sequela
S83.52 Sprain of posterior cruciate ligament of knee
S83.521 Sprain of posterior cruciate ligament of right knee
S83.521A …… initial encounter
S83.521D …… subsequent encounter
S83.521S …… sequela
S83.522 Sprain of posterior cruciate ligament of left knee
S83.522A …… initial encounter
S83.522D …… subsequent encounter
S83.522S …… sequela
S83.529 Sprain of posterior cruciate ligament of unspecified knee
S83.529A …… initial encounter
S83.529D …… subsequent encounter
S83.529S …… sequela

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