Version 2024

2024 ICD-10-CM Diagnosis Code H40.50X0

Glaucoma secondary to other eye disorders, unspecified eye, stage unspecified

ICD-10-CM Code:: H40.50X0
ICD-10 Code for:: Glaucoma secondary to oth eye disord, unsp eye, stage unsp
Is Billable?: Yes - Valid for Submission
Chronic Condition Indicator: ^[1]: Chronic
Code Navigator:

Code Information
Approximate Synonyms
Clinical Classification
Tabular List of Diseases and Injuries
Diagnostic Related Groups Mapping
Convert to ICD-9 Code
Patient Education
Other Codes Used Similar Conditions
Code History

Code Classification

Diseases of the eye and adnexa
(H00–H59)
- Glaucoma
  (H40-H42)
  - Glaucoma
    (H40)

H40.50X0 is a billable diagnosis code used to specify a medical diagnosis of glaucoma secondary to other eye disorders, unspecified eye, stage unspecified. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Unspecified diagnosis codes like H40.50X0 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Bilateral congenital cataract of eyes
Cataract glaucoma syndrome
Congenital glaucoma of bilateral eyes
Congenital glaucoma of left eye
Congenital glaucoma of right eye
Congenital total cataract
Ghost cell glaucoma
Glaucoma and corneal anomaly
Glaucoma associated with anterior segment anomaly
Glaucoma associated with anterior segment anomaly
Glaucoma associated with anterior segment anomaly
Glaucoma associated with ocular disorder
Glaucoma associated with tumors AND/OR cysts
Glaucoma caused by contact lens
Glaucoma due to and following retinopathy of prematurity
Glaucoma due to chamber angle anomaly
Glaucoma due to intraocular neoplasm
Glaucoma due to iris anomaly
Glaucoma due to ocular cyst
Glaucoma due to ocular vascular disorder
Glaucoma due to retinal detachment
Glaucoma with intraocular hemorrhage
Glaucoma with intraocular hemorrhage
Lens particle glaucoma
Mature cataract
Megalocornea
Megalocornea, spherophakia, secondary glaucoma syndrome
Neovascular glaucoma
Neovascular glaucoma due to hyphema
Neovascularization of angle
Phacogenic glaucoma
Phacogenic glaucoma
Phacolytic glaucoma
Phacomorphic glaucoma
Schwartz ocular syndrome
Secondary angle-closure glaucoma - synechial
Secondary angle-closure glaucoma due to iridocorneal endothelial syndrome
Secondary angle-closure glaucoma with pupillary block
Secondary glaucoma
Secondary glaucoma due to combination mechanisms
Secondary open-angle glaucoma

Clinical Classification

Clinical Category is Glaucoma
CCSR Category Code: EYE003
Inpatient Default CCSR: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.
Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

H40.50X0 is grouped with Diagnostic Related Groups - MS-DRG Mapping

Diagnostic Related Groups (DRGs) are a classification system used to group together diagnosis codes for the purpose of reimbursement and healthcare management. DRGs are used to standardize the way hospitals and other providers are paid for inpatient services. In this system patients are grouped together based on their principal diagnosis in areas referred to as Major Diagnostic Categories (MDC). Once a patient is assigned a particular diagnostic category, providers receive a predetermined payment rate for the services rendered. This reimbursement rate is often fixed and is meant to cover the cost of care for that patient. Reimbursement is also affected by the relative weight of a diagnostic related group based on the severity of a patient's illness and the associated cost of care during hospitalization.

Diagnostic related groups encourage healthcare providers to focus on quality and efficiency in patient care while managing costs effectively. The diagnosis code is present in the following groups for version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG	MS-DRG Title	MCD	Relative Weight
124	OTHER DISORDERS OF THE EYE WITH MCC OR THROMBOLYTIC AGENT	02	1.3219
125	OTHER DISORDERS OF THE EYE WITHOUT MCC	02	0.7975

The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Convert H40.50X0 to ICD-9-CM

ICD-9-CM Code: 365.59 - Glaucoma w lens dis NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
ICD-9-CM Code: 365.60 - Glauc w ocular dis NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
ICD-9-CM Code: 365.61 - Glauc w pupillary block
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
ICD-9-CM Code: 365.64 - Glaucoma w tumor or cyst
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
ICD-9-CM Code: 365.70 - Glaucoma stage NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

Patient Education

Glaucoma

Glaucoma is a group of diseases that can damage the eye's optic nerve. It is a leading cause of blindness in the United States. It usually happens when the fluid pressure inside the eyes slowly rises, damaging the optic nerve. Often there are no symptoms at first. Without treatment, people with glaucoma will slowly lose their peripheral, or side vision. They seem to be looking through a tunnel. Over time, straight-ahead vision may decrease until no vision remains.

A comprehensive eye exam can tell if you have glaucoma. People at risk should get eye exams at least every two years. They include:

African Americans over age 40
People over age 60, especially Mexican Americans
People with a family history of glaucoma

There is no cure, but glaucoma can usually be controlled. Early treatment can help protect your eyes against vision loss. Treatments usually include prescription eyedrops and/or surgery.

NIH: National Eye Institute

[Learn More in MedlinePlus]

Other ICD-10-CM Codes Commonly Used for Similar Conditions

Filter related codes list:

H40 Glaucoma.
H40.0 Glaucoma suspect.
H40.00 Preglaucoma, unspecified.
H40.001 Preglaucoma, unspecified, right eye.
H40.002 Preglaucoma, unspecified, left eye.
H40.003 Preglaucoma, unspecified, bilateral.
H40.009 Preglaucoma, unspecified, unspecified eye.
H40.01 Open angle with borderline findings, low risk.
H40.011 Open angle with borderline findings, low risk, right eye.
H40.012 Open angle with borderline findings, low risk, left eye.
H40.013 Open angle with borderline findings, low risk, bilateral.
H40.019 Open angle with borderline findings, low risk, unspecified eye.
H40.02 Open angle with borderline findings, high risk.
H40.021 Open angle with borderline findings, high risk, right eye.
H40.022 Open angle with borderline findings, high risk, left eye.
H40.023 Open angle with borderline findings, high risk, bilateral.
H40.029 Open angle with borderline findings, high risk, unspecified eye.
H40.03 Anatomical narrow angle.
H40.031 Anatomical narrow angle, right eye.
H40.032 Anatomical narrow angle, left eye.
H40.033 Anatomical narrow angle, bilateral.
H40.039 Anatomical narrow angle, unspecified eye.
H40.04 Steroid responder.
H40.041 Steroid responder, right eye.
H40.042 Steroid responder, left eye.
H40.043 Steroid responder, bilateral.
H40.049 Steroid responder, unspecified eye.
H40.05 Ocular hypertension.
H40.051 Ocular hypertension, right eye.
H40.052 Ocular hypertension, left eye.
H40.053 Ocular hypertension, bilateral.
H40.059 Ocular hypertension, unspecified eye.
H40.06 Primary angle closure without glaucoma damage.
H40.061 Primary angle closure without glaucoma damage, right eye.
H40.062 Primary angle closure without glaucoma damage, left eye.
H40.063 Primary angle closure without glaucoma damage, bilateral.
H40.069 Primary angle closure without glaucoma damage, unspecified eye.
H40.1 Open-angle glaucoma.
H40.10 Unspecified open-angle glaucoma.
H40.10X0 Unspecified open-angle glaucoma, stage unspecified.
H40.10X1 Unspecified open-angle glaucoma, mild stage.
H40.10X2 Unspecified open-angle glaucoma, moderate stage.
H40.10X3 Unspecified open-angle glaucoma, severe stage.
H40.10X4 Unspecified open-angle glaucoma, indeterminate stage.
H40.11 Primary open-angle glaucoma.
H40.111 Primary open-angle glaucoma, right eye.
H40.1110 Primary open-angle glaucoma, right eye, stage unspecified.
H40.1111 Primary open-angle glaucoma, right eye, mild stage.
H40.1112 Primary open-angle glaucoma, right eye, moderate stage.
H40.1113 Primary open-angle glaucoma, right eye, severe stage.
H40.1114 Primary open-angle glaucoma, right eye, indeterminate stage.

Code History

FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
The condition places limitations on self-care, independent living, and social interactions.