2023 ICD-10-CM Diagnosis Code H10.9

Unspecified conjunctivitis

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • H10.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM H10.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of H10.9 - other international versions of ICD-10 H10.9 may differ.
The following code(s) above H10.9 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 H10.9:
  • H00-H59
    2023 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
  • H10
    ICD-10-CM Diagnosis Code H10

    Conjunctivitis

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Conjunctivitis
Approximate Synonyms
  • Bilat conjunctivitis
  • Bilateral conjunctivitis
  • Burn of pharynx
  • Conjunctivitis
  • Left conjunctivitis
  • Right conjunctivitis
Clinical Information
  • A condition in which the conjunctiva (membranes lining the eyelids and covering the white part of the eye) become inflamed or infected.
  • A disorder characterized by inflammation, swelling and redness to the conjunctiva of the eye.
  • Inflammation of the conjunctiva of the eye.
  • Inflammation of the mucous membrane that lines the inner surface of the eyelids and the anterior part of the sclera; also called pinkeye and redeye.
ICD-10-CM H10.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 124 Other disorders of the eye with mcc
  • 125 Other disorders of the eye without mcc

Convert H10.9 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to H10.9:

ICD-10-CM Codes Adjacent To H10.9
H10.811 …… right eye
H10.812 …… left eye
H10.813 …… bilateral
H10.819 …… unspecified eye
H10.82 Rosacea conjunctivitis
H10.821 …… right eye
H10.822 …… left eye
H10.823 …… bilateral
H10.829 …… unspecified eye
H10.89 Other conjunctivitis
H10.9 Unspecified conjunctivitis
H11 Other disorders of conjunctiva
H11.0 Pterygium of eye
H11.00 Unspecified pterygium of eye
H11.001 Unspecified pterygium of right eye
H11.002 Unspecified pterygium of left eye
H11.003 …… bilateral
H11.009 Unspecified pterygium of unspecified eye
H11.01 Amyloid pterygium
H11.011 …… of right eye
H11.012 …… of left eye

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