2021 ICD-10-CM Diagnosis Code H10.23

Serous conjunctivitis, except viral

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • H10.23 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM H10.23 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H10.23 - other international versions of ICD-10 H10.23 may differ.
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 H10.23. 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.
  • viral conjunctivitis (
    ICD-10-CM Diagnosis Code B30
    • B30 Viral conjunctivitis
      • B30.0 Keratoconjunctivitis due to adenovirus
      • B30.1 Conjunctivitis due to adenovirus
      • B30.2 Viral pharyngoconjunctivitis
      • B30.3 Acute epidemic hemorrhagic conjunctivitis (en...
      • B30.8 Other viral conjunctivitis
      • B30.9 Viral conjunctivitis, unspecified
The following code(s) above H10.23 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 H10.23:
  • 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
  • H10
    ICD-10-CM Diagnosis Code H10


      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
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

Diagnosis Index entries containing back-references to H10.23:
  • Conjunctivitis (staphylococcal) (streptococcal) H10.9
    ICD-10-CM Diagnosis Code H10.9

    Unspecified conjunctivitis

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • acute H10.3-
      ICD-10-CM Diagnosis Code H10.3-

      Unspecified acute conjunctivitis

        2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      Type 1 Excludes
      • ophthalmia neonatorum NOS (P39.1)

ICD-10-CM Codes Adjacent To H10.23
H10.21 Acute toxic conjunctivitis
H10.211 …… right eye
H10.212 …… left eye
H10.213 …… bilateral
H10.219 …… unspecified eye
H10.22 Pseudomembranous conjunctivitis
H10.221 …… right eye
H10.222 …… left eye
H10.223 …… bilateral
H10.229 …… unspecified eye
H10.23 Serous conjunctivitis, except viral
H10.231 …… right eye
H10.232 …… left eye
H10.233 …… bilateral
H10.239 …… unspecified eye
H10.3 Unspecified acute conjunctivitis
H10.30 …… unspecified eye
H10.31 …… right eye
H10.32 …… left eye
H10.33 …… bilateral
H10.4 Chronic conjunctivitis

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