2021

  1. ICD-10-CM Codes
    2. ›
  2. H00-H59 Diseases of the eye and adnexa
    3. ›
  3. H25-H28 Disorders of lens
    4. ›
  4. H28- Cataract in diseases classified elsewhere
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  5. 2021 ICD-10-CM Diagnosis Code H28

2021 ICD-10-CM Diagnosis Code H28

Cataract in diseases classified elsewhere

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
  • H28 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 H28 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H28 - other international versions of ICD-10 H28 may differ.
ICD-10-CM Coding Rules
  • H28 describes the manifestation of an underlying disease, not the disease itself.
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • underlying disease, such as:
  • hypoparathyroidism (
    ICD-10-CM Diagnosis Code E20
    • E20 Hypoparathyroidism
      • E20.0 Idiopathic hypoparathyroidism
      • E20.1 Pseudohypoparathyroidism
      • E20.8 Other hypoparathyroidism
      • E20.9 Hypoparathyroidism, unspecified
    E20.-
    )
  • myotonia (
    ICD-10-CM Diagnosis Code G71.1

    Myotonic disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    G71.1-
    )
  • myxedema (
    ICD-10-CM Diagnosis Code E03
    • E03 Other hypothyroidism
      • E03.0 Congenital hypothyroidism with diffuse goiter...
      • E03.1 Congenital hypothyroidism without goiter
      • E03.2 Hypothyroidism due to medicaments and other e...
      • E03.3 Postinfectious hypothyroidism
      • E03.4 Atrophy of thyroid (acquired)
      • E03.5 Myxedema coma
      • E03.8 Other specified hypothyroidism
      • E03.9 Hypothyroidism, unspecified
    E03.-
    )
  • protein-calorie malnutrition (E40-E46
    ICD-10-CM Range E40-E46

    Malnutrition

    Type 1 Excludes
    • intestinal malabsorption (K90.-)
    • sequelae of protein-calorie malnutrition (E64.0)
    Type 2 Excludes
    • E40 Kwashiorkor
    • E41 Nutritional marasmus
    • E42 Marasmic kwashiorkor
    • E43 Unspecified severe protein-calorie malnu...
    • E44 Protein-calorie malnutrition of moderate...
    • E45 Retarded development following protein-c...
    • E46 Unspecified protein-calorie malnutrition
    )
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as H28. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • cataract in diabetes mellitus (
    ICD-10-CM Diagnosis Code E08.36

    Diabetes mellitus due to underlying condition with diabetic cataract

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    E08.36
    ,
    ICD-10-CM Diagnosis Code E09.36

    Drug or chemical induced diabetes mellitus with diabetic cataract

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    E09.36
    ,
    ICD-10-CM Diagnosis Code E10.36

    Type 1 diabetes mellitus with diabetic cataract

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    E10.36
    ,
    ICD-10-CM Diagnosis Code E11.36

    Type 2 diabetes mellitus with diabetic cataract

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    E11.36
    ,
    ICD-10-CM Diagnosis Code E13.36

    Other specified diabetes mellitus with diabetic cataract

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    E13.36
    )
The following code(s) above H28 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 H28:
  • H00-H59
    2021 ICD-10-CM Range H00-H59

    Diseases of the eye and adnexa

    Note
    • 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
Approximate Synonyms
  • Bilateral myotonic cataract
  • Bilateral tetanic cataract
  • Bilateral tetanic cataract (eye condition)
  • Left myotonic cataract
  • Left tetanic cataract
  • Left tetanic cataract (eye condition)
  • Myotonic cataract
  • Right myotonic cataract
  • Right tetanic cataract
  • Right tetanic cataract (eye condition)
  • Tetanic cataract
ICD-10-CM H28 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

Convert H28 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 H28
H27.122 …… left eye
H27.123 …… bilateral
H27.129 …… unspecified eye
H27.13 Posterior dislocation of lens
H27.131 …… right eye
H27.132 …… left eye
H27.133 …… bilateral
H27.139 …… unspecified eye
H27.8 Other specified disorders of lens
H27.9 Unspecified disorder of lens
H28 Cataract in diseases classified elsewhere
H30 Chorioretinal inflammation
H30.0 Focal chorioretinal inflammation
H30.00 Unspecified focal chorioretinal inflammation
H30.001 …… right eye
H30.002 …… left eye
H30.003 …… bilateral
H30.009 …… unspecified eye
H30.01 Focal chorioretinal inflammation, juxtapapillary
H30.011 …… right eye
H30.012 …… left eye

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

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