ICD-10-CM Codes
H00-H59
H15-H22
H20-
2023 ICD-10-CM Diagnosis Code H20.0

2023 ICD-10-CM Diagnosis Code H20.0

Acute and subacute iridocyclitis

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

H20.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM H20.0 became effective on October 1, 2022.
This is the American ICD-10-CM version of H20.0 - other international versions of ICD-10 H20.0 may differ.

Applicable To

Acute anterior uveitis
Acute cyclitis
Acute iritis
Subacute anterior uveitis
Subacute cyclitis
Subacute iritis

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 H20.0. 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.

iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13
ICD-10-CM Range E08-E13
Diabetes mellitus
- E08 Diabetes mellitus due to underlying cond...
- E09 Drug or chemical induced diabetes mellit...
- E10 Type 1 diabetes mellitus
- E11 Type 2 diabetes mellitus
- E13 Other specified diabetes mellitus
with .39)
iridocyclitis, iritis, uveitis (due to) (in) diphtheria (
ICD-10-CM Diagnosis Code A36.89
Other diphtheritic complications
Applicable To
- Diphtheritic peritonitis
A36.89
)
iridocyclitis, iritis, uveitis (due to) (in) gonococcal (
ICD-10-CM Diagnosis Code A54.32
Gonococcal iridocyclitis
A54.32
)
iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (
ICD-10-CM Diagnosis Code B00.51
Herpesviral iridocyclitis
Applicable To
- Herpesviral iritis
- Herpesviral uveitis, anterior
B00.51
)
iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (
ICD-10-CM Diagnosis Code B02.32
Zoster iridocyclitis
B02.32
)
iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (
ICD-10-CM Diagnosis Code A50.39
Other late congenital syphilitic oculopathy
A50.39
)
iridocyclitis, iritis, uveitis (due to) (in) late syphilis (
ICD-10-CM Diagnosis Code A52.71
Late syphilitic oculopathy
Applicable To
- Late syphilitic chorioretinitis
- Late syphilitic episcleritis
A52.71
)
iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (
ICD-10-CM Diagnosis Code D86.83
Sarcoid iridocyclitis
D86.83
)
iridocyclitis, iritis, uveitis (due to) (in) syphilis (
ICD-10-CM Diagnosis Code A51.43
Secondary syphilitic oculopathy
Applicable To
- Secondary syphilitic chorioretinitis
- Secondary syphilitic iridocyclitis, iritis
- Secondary syphilitic uveitis
A51.43
)
iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (
ICD-10-CM Diagnosis Code B58.09
Other toxoplasma oculopathy
Applicable To
- Toxoplasma uveitis
B58.09
)
iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (
ICD-10-CM Diagnosis Code A18.54
Tuberculous iridocyclitis
A18.54
)

The following code(s) above H20.0 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 H20.0:

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

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 H20.0:

Iridocyclitis H20.9
ICD-10-CM Diagnosis Code H20.9
Unspecified iridocyclitis
Applicable To
Uveitis NOS
- acute H20.0-

ICD-10-CM Codes Adjacent To H20.0

H18.832 …… left eye

H18.833 …… bilateral

H18.839 …… unspecified eye

H18.89 Other specified disorders of cornea

H18.891 …… right eye

H18.892 …… left eye

H18.893 …… bilateral

H18.899 …… unspecified eye

H18.9 Unspecified disorder of cornea

H20 Iridocyclitis

H20.0 Acute and subacute iridocyclitis

H20.00 Unspecified acute and subacute iridocyclitis

H20.01 Primary iridocyclitis

H20.011 …… right eye

H20.012 …… left eye

H20.013 …… bilateral

H20.019 …… unspecified eye

H20.02 Recurrent acute iridocyclitis

H20.021 …… right eye

H20.022 …… left eye

H20.023 …… bilateral

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

2023 ICD-10-CM Diagnosis Code H20.0

Acute and subacute iridocyclitis

Diabetes mellitus

Other diphtheritic complications

Gonococcal iridocyclitis

Herpesviral iridocyclitis

Zoster iridocyclitis

Other late congenital syphilitic oculopathy

Late syphilitic oculopathy

Sarcoid iridocyclitis

Secondary syphilitic oculopathy

Other toxoplasma oculopathy

Tuberculous iridocyclitis

Diseases of the eye and adnexa

Unspecified iridocyclitis