ICD-10-CM Codes
H00-H59 Diseases of the eye and adnexa
H15-H22 Disorders of sclera, cornea, iris and ciliary body
H21- Other disorders of iris and ciliary body
2021 ICD-10-CM Diagnosis Code H21.0

2021 ICD-10-CM Diagnosis Code H21.0

Hyphema

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

H21.0 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 H21.0 became effective on October 1, 2020.
This is the American ICD-10-CM version of H21.0 - other international versions of ICD-10 H21.0 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 H21.0. 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.

traumatic hyphema (
ICD-10-CM Diagnosis Code S05.1
Contusion of eyeball and orbital tissues
Applicable To
- Traumatic hyphema
Type 2 Excludes
- black eye NOS (S00.1)
- contusion of eyelid and periocular area (S00.1)
S05.1-
)

The following code(s) above H21.0 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 H21.0:

H00-H59
2021 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
H21
ICD-10-CM Diagnosis Code H21
Other disorders of iris and ciliary body
Type 2 Excludes
- sympathetic uveitis (H44.1-)
Other disorders of iris and ciliary body

Clinical Information

Bleeding in the anterior chamber of the eye.
Hemorrhage within the anterior chamber of the eye; bloodshot.

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 H21.0:

Hyphema H21.0-

ICD-10-CM Codes Adjacent To H21.0

H20.812 …… left eye

H20.813 …… bilateral

H20.819 …… unspecified eye

H20.82 Vogt-Koyanagi syndrome

H20.821 …… right eye

H20.822 …… left eye

H20.823 …… bilateral

H20.829 …… unspecified eye

H20.9 Unspecified iridocyclitis

H21 Other disorders of iris and ciliary body

H21.0 Hyphema

H21.00 …… unspecified eye

H21.01 …… right eye

H21.02 …… left eye

H21.03 …… bilateral

H21.1 Other vascular disorders of iris and ciliary body

H21.1X Other vascular disorders of iris and ciliary body

H21.1X1 …… right eye

H21.1X2 …… left eye

H21.1X3 …… bilateral

H21.1X9 …… unspecified eye

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

2021 ICD-10-CM Diagnosis Code H21.0

Hyphema

Contusion of eyeball and orbital tissues

Diseases of the eye and adnexa

Other disorders of iris and ciliary body