ICD-10-CM Codes
H00-H59 Diseases of the eye and adnexa
H15-H22 Disorders of sclera, cornea, iris and ciliary body
H18- Other disorders of cornea
2021 ICD-10-CM Diagnosis Code H18.891

2021 ICD-10-CM Diagnosis Code H18.891

Other specified disorders of cornea, right eye

2016

2017

2018

2019

2020

2021

Billable/Specific Code

H18.891 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM H18.891 became effective on October 1, 2020.
This is the American ICD-10-CM version of H18.891 - other international versions of ICD-10 H18.891 may differ.

The following code(s) above H18.891 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 H18.891:

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

Approximate Synonyms

Dellen of cornea of right eye
Hypersensitivity keratopathy of right eye caused by staphylococcus
Iridocorneal endothelial syndrome of right eye
Phthisis bulbi degeneration of cornea of right eye
R corneal dellen
R iridocorneal endothelial syndrome
Right corneal haze
Right phthisis bulbi corneal degeneration
Right staphylococcal hypersensitivity keratopathy

ICD-10-CM H18.891 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

124 Other disorders of the eye with mcc
125 Other disorders of the eye without mcc

Convert H18.891 to ICD-9-CM

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

ICD-10-CM Codes Adjacent To H18.891

H18.821 …… right eye

H18.822 …… left eye

H18.823 …… bilateral

H18.829 …… unspecified eye

H18.83 Recurrent erosion of cornea

H18.831 …… right eye

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

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 H18.891

Other specified disorders of cornea, right eye

Diseases of the eye and adnexa