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H21.3

Non-billable

Cyst of iris, ciliary body and anterior chamber

Cyst of iris, ciliary body and anterior chamber

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

H21

Child Codes

6

Coding Notes

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)
  • sympathetic uveitis (H44.1-)
  • miotic pupillary cyst (H21.27-)

Child Codes (6)

H21.30

Idiopathic cysts of iris, ciliary body or anterior chamber

H21.31

Exudative cysts of iris or anterior chamber

H21.32

Implantation cysts of iris, ciliary body or anterior chamber

H21.33

Parasitic cyst of iris, ciliary body or anterior chamber

H21.34

Primary cyst of pars plana

H21.35

Exudative cyst of pars plana

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code H21.3?

ICD-10-CM code H21.3 represents "Cyst of iris, ciliary body and anterior chamber". It is a non-billable header code — use a more specific child code for billing purposes.

Is H21.3 a billable code?

No, H21.3 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 H21.3.

What chapter is H21.3 in?

H21.3 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).

What are the subcategories under H21.3?

H21.3 has 6 child codes, including: H21.30 (Idiopathic cysts of iris, ciliary body or anterior chamber), H21.31 (Exudative cysts of iris or anterior chamber), H21.32 (Implantation cysts of iris, ciliary body or anterior chamber), H21.33 (Parasitic cyst of iris, ciliary body or anterior chamber), and 2 more.

What are the UMLS CUIs for H21.3?

H21.3 is linked to 1 UMLS Concept Unique Identifier: C0154926. 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.