2021 ICD-10-CM Diagnosis Code I87.012

Postthrombotic syndrome with ulcer of left lower extremity

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • I87.012 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 I87.012 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of I87.012 - other international versions of ICD-10 I87.012 may differ.
The following code(s) above I87.012 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 I87.012:
  • I00-I99
    2021 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • transient cerebral ischemic attacks and related syndromes (G45.-)
    Diseases of the circulatory system
  • I87.0
    ICD-10-CM Diagnosis Code I87.0

    Postthrombotic syndrome

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Chronic venous hypertension due to deep vein thrombosis
    • Postphlebitic syndrome
    Type 1 Excludes
    • chronic venous hypertension without deep vein thrombosis (I87.3-)
    Postthrombotic syndrome
  • I87.01
    ICD-10-CM Diagnosis Code I87.01

    Postthrombotic syndrome with ulcer

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Use Additional
    • code to specify site and severity of ulcer (L97.-)
    Postthrombotic syndrome with ulcer
Approximate Synonyms
  • Postthrombotic ulcer of left ankle
  • Postthrombotic ulcer of left ankle, bone necrosis
  • Postthrombotic ulcer of left ankle, fat layer exposed
  • Postthrombotic ulcer of left ankle, muscle necrosis
  • Postthrombotic ulcer of left ankle, skin layer only
  • Postthrombotic ulcer of left calf
  • Postthrombotic ulcer of left calf, bone necrosis
  • Postthrombotic ulcer of left calf, fat layer exposed
  • Postthrombotic ulcer of left calf, muscle necrosis
  • Postthrombotic ulcer of left calf, skin layer only
  • Postthrombotic ulcer of left foot
  • Postthrombotic ulcer of left foot, bone necrosis
  • Postthrombotic ulcer of left foot, fat layer exposed
  • Postthrombotic ulcer of left foot, muscle necrosis
  • Postthrombotic ulcer of left foot, skin layer only
  • Postthrombotic ulcer of left lower leg
  • Postthrombotic ulcer of left lower leg, bone necrosis
  • Postthrombotic ulcer of left lower leg, fat layer exposed
  • Postthrombotic ulcer of left lower leg, muscle necrosis
  • Postthrombotic ulcer of left lower leg, skin layer only
  • Postthrombotic ulcer of left thigh
  • Postthrombotic ulcer of left thigh, bone necrosis
  • Postthrombotic ulcer of left thigh, fat layer exposed
  • Postthrombotic ulcer of left thigh, muscle necrosis
  • Postthrombotic ulcer of left thigh, skin layer only
  • Ulcer of left ankle due to postphlebitic syndrome
  • Ulcer of left ankle limited to skin layer due to postphlebitic syndrome
  • Ulcer of left ankle with bone necrosis due to postphlebitic syndrome
  • Ulcer of left ankle with fat layer exposure due to postphlebitic syndrome
  • Ulcer of left ankle with muscle necrosis due to postphlebitic syndrome
  • Ulcer of left calf due to postphlebitic syndrome
  • Ulcer of left calf limited to skin layer due to postphlebitic syndrome
  • Ulcer of left calf with bone necrosis due to postphlebitic syndrome
  • Ulcer of left calf with fat layer exposure due to postphlebitic syndrome
  • Ulcer of left calf with muscle necrosis due to postphlebitic syndrome
  • Ulcer of left foot due to postphlebitic syndrome
  • Ulcer of left foot limited to skin layer due to postphlebitic syndrome
  • Ulcer of left foot with bone necrosis due to postphlebitic syndrome
  • Ulcer of left foot with fat layer exposure due to postphlebitic syndrome
  • Ulcer of left foot with muscle necrosis due to postphlebitic syndrome
  • Ulcer of left lower leg due to postphlebitic syndrome
  • Ulcer of left lower leg limited to skin layer due to postphlebitic syndrome
  • Ulcer of left lower leg with bone necrosis due to postphlebitic syndrome
  • Ulcer of left lower leg with fat layer exposure due to postphlebitic syndrome
  • Ulcer of left lower leg with muscle necrosis due to postphlebitic syndrome
  • Ulcer of left thigh due to postphlebitic syndrome
  • Ulcer of left thigh limited to skin layer due to postphlebitic syndrome
  • Ulcer of left thigh with bone necrosis due to postphlebitic syndrome
  • Ulcer of left thigh with fat layer exposure due to postphlebitic syndrome
  • Ulcer of left thigh with muscle necrosis due to postphlebitic syndrome
ICD-10-CM I87.012 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 299 Peripheral vascular disorders with mcc
  • 300 Peripheral vascular disorders with cc
  • 301 Peripheral vascular disorders without cc/mcc

Convert I87.012 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 I87.012
I86.8 Varicose veins of other specified sites
I87 Other disorders of veins
I87.0 Postthrombotic syndrome
I87.00 Postthrombotic syndrome without complications
I87.001 …… of right lower extremity
I87.002 …… of left lower extremity
I87.003 …… of bilateral lower extremity
I87.009 …… of unspecified extremity
I87.01 Postthrombotic syndrome with ulcer
I87.011 …… of right lower extremity
I87.012 …… of left lower extremity
I87.013 …… of bilateral lower extremity
I87.019 …… of unspecified lower extremity
I87.02 Postthrombotic syndrome with inflammation
I87.021 …… of right lower extremity
I87.022 …… of left lower extremity
I87.023 …… of bilateral lower extremity
I87.029 …… of unspecified lower extremity
I87.03 Postthrombotic syndrome with ulcer and inflammation
I87.031 …… of right lower extremity
I87.032 …… of left lower extremity

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