H20.01
Non-billablePrimary iridocyclitis
Primary iridocyclitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39)
- iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89)
- iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32)
- iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51)
- iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32)
- iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39)
- iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71)
- iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83)
- iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43)
- iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09)
- iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for primary iridocyclitis?
The ICD-10-CM code for primary iridocyclitis is H20.01. The full clinical description is "Primary iridocyclitis". H20.01 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H20.01 mean?
ICD-10-CM code H20.01 represents "Primary iridocyclitis". It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a non-billable header code. Use a more specific child code for billing purposes.
Is H20.01 a billable code?
No, H20.01 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under H20.01.
What chapter is H20.01 in?
H20.01 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H20.01?
H20.01 has Excludes1 notes indicating codes that cannot be used together with it, including: iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39); iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89); iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32); and 8 more.
What are the subcategories under H20.01?
H20.01 has 4 child codes, including: H20.011 (Primary iridocyclitis, right eye), H20.012 (Primary iridocyclitis, left eye), H20.013 (Primary iridocyclitis, bilateral), H20.019 (Primary iridocyclitis, unspecified eye).
What are the UMLS CUIs for H20.01?
H20.01 is linked to 1 UMLS Concept Unique Identifier: C0154909. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.