AutoICD API

H20.0

Non-billable

Acute and subacute iridocyclitis

Acute and subacute iridocyclitis

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

H15-H22

Parent Code

H20

Child Codes

6

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

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

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 (6)

H20.00

Unspecified acute and subacute iridocyclitis

BillableH20.01

Primary iridocyclitis

H20.02

Recurrent acute iridocyclitis

H20.03

Secondary infectious iridocyclitis

H20.04

Secondary noninfectious iridocyclitis

H20.05

Hypopyon

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code H20.0?

ICD-10-CM code H20.0 represents "Acute and subacute iridocyclitis". It is a non-billable header code — use a more specific child code for billing purposes.

Is H20.0 a billable code?

No, H20.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under H20.0.

What chapter is H20.0 in?

H20.0 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).

What codes cannot be used with H20.0?

H20.0 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 H20.0?

H20.0 has 6 child codes, including: H20.00 (Unspecified acute and subacute iridocyclitis), H20.01 (Primary iridocyclitis), H20.02 (Recurrent acute iridocyclitis), H20.03 (Secondary infectious iridocyclitis), and 2 more.

What are the UMLS CUIs for H20.0?

H20.0 is linked to 7 UMLS Concept Unique Identifiers: C0701807, C0154908, C1455748, C0271105, C0271102, and 2 more. 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.