2027 ICD-10-CM Diagnosis Code H30.93Unspecified chorioretinal inflammation, bilateral
ICD-10-CM Codes›H00–H59›H30-H36›H30
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Chronic Condition
H30.93 is a billable ICD-10-CM diagnosis code for unspecified chorioretinal inflammation, bilateral. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 124 through 125. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 56 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions and Uveitis and ocular inflammation.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral chorioretinitis of eyes
- Bilateral choroiditis of eyes
- Bilateral exudative retinopathy of eyes
- Bilateral neovascularization of choroid of eye
- Bilateral neuroretinitis of eyes
- Bilateral optic neuritis
- Bilateral optic papillitis
- Bilateral retinitis of eyes
- Chorioretinitis of bilateral eyes caused by Cytomegalovirus humanbeta5
- Chorioretinitis of left eye caused by Cytomegalovirus humanbeta5
- Chorioretinitis of right eye caused by Cytomegalovirus humanbeta5
- Cytomegaloviral retinitis
- Cytomegalovirus chorioretinitis
- Exudative retinopathy
- Exudative retinopathy of left eye
- Exudative retinopathy of right eye
- Histoplasmosis syndrome of bilateral eyes
- Histoplasmosis syndrome of left eye
- Histoplasmosis syndrome of right eye
- Neovascularization of choroid of left eye
- Neovascularization of choroid of right eye
- Neuritis of left optic nerve
- Neuritis of right optic nerve
- Neuroretinitis
- Neuroretinitis of left eye
- Neuroretinitis of right eye
- Ocular histoplasmosis syndrome
- Optic papillitis of left eye
- Optic papillitis of right eye
- Retinitis of bilateral eyes caused by cytomegalovirus
- Retinitis of left eye caused by cytomegalovirus
- Retinitis of right eye caused by cytomegalovirus
- Viral posterior uveitis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to H30.93: its own notes plus those printed at Chapter 7. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- 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)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Retinal Disorders
Retinal disorders are conditions that affect the retina, the thin light-sensitive tissue at the back of your eye. The retina senses light and sends signals to your brain so you can see.
The full article covers:
- What are retinal disorders?
- What causes retinal disorders?
- What are common retinal disorders?
- What are the symptoms of retinal disorders?
- How are retinal disorders diagnosed?
- How are retinal disorders treated?
- Can retinal disorders be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert H30.93 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About H30.93Overview
What is the ICD-10 code for unspecified chorioretinal inflammation, bilateral?
The ICD-10-CM code for unspecified chorioretinal inflammation, bilateral is H30.93 (sometimes written as H3093). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is H30.93 (Unspecified chorioretinal inflammation) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report unspecified chorioretinal inflammation, bilateral on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does H30.93 group to?
When unspecified chorioretinal inflammation, bilateral is the principal diagnosis on an inpatient stay, it groups to MS-DRG 125, 124, with relative weights from 0.7699 to 1.2470 depending on complications. Higher weights mean higher Medicare reimbursement.
Is H30.93 a CC or MCC?
CMS lists H30.93 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 56 closely related codes in its exclusion list.
What is the ICD-9 equivalent of H30.93?
Under the General Equivalence Mappings, unspecified chorioretinal inflammation, bilateral converts to ICD-9-CM 363.20 (chorioretinitis NOS). The mapping is approximate, so confirm the match fits the documentation.
