2021 ICD-10-CM Diagnosis Code H01.00A

Unspecified blepharitis right eye, upper and lower eyelids

    2019 - New Code 2020 2021 Billable/Specific Code
  • H01.00A 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 H01.00A became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H01.00A - other international versions of ICD-10 H01.00A may differ.
The following code(s) above H01.00A 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 H01.00A:
  • H00-H59
    2021 ICD-10-CM Range H00-H59

    Diseases of the eye and adnexa

    • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
    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)
    • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury (trauma) of eye and orbit (S05.-)
    • 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)
    • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
    Diseases of the eye and adnexa
  • H00-H05
    2021 ICD-10-CM Range H00-H05

    Disorders of eyelid, lacrimal system and orbit

    Type 2 Excludes
    Disorders of eyelid, lacrimal system and orbit
  • H01.0
    ICD-10-CM Diagnosis Code H01.0


      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • blepharoconjunctivitis (H10.5-)
ICD-10-CM H01.00A is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 124 Other disorders of the eye with mcc
  • 125 Other disorders of the eye without mcc
Code History
  • 2019 (effective 10/1/2018): New code
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to H01.00A:
  • Blepharitis (angularis) (ciliaris) (eyelid) (marginal) (nonulcerative) H01.009
    ICD-10-CM Diagnosis Code H01.009

    Unspecified blepharitis unspecified eye, unspecified eyelid

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • right H01.003
      ICD-10-CM Diagnosis Code H01.003

      Unspecified blepharitis right eye, unspecified eyelid

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • upper and lower H01.00A

ICD-10-CM Codes Adjacent To H01.00A
H01 Other inflammation of eyelid
H01.0 Blepharitis
H01.00 Unspecified blepharitis
H01.001 …… right upper eyelid
H01.002 …… right lower eyelid
H01.003 …… right eye, unspecified eyelid
H01.004 …… left upper eyelid
H01.005 …… left lower eyelid
H01.006 …… left eye, unspecified eyelid
H01.009 …… unspecified eye, unspecified eyelid
H01.00A …… right eye, upper and lower eyelids
H01.00B …… left eye, upper and lower eyelids
H01.01 Ulcerative blepharitis
H01.011 …… right upper eyelid
H01.012 …… right lower eyelid
H01.013 …… right eye, unspecified eyelid
H01.014 …… left upper eyelid
H01.015 …… left lower eyelid
H01.016 …… left eye, unspecified eyelid
H01.019 …… unspecified eye, unspecified eyelid
H01.01A …… right eye, upper and lower eyelids

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