H34.21
Non-billablePartial retinal artery occlusion
Partial retinal artery occlusion
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Hollenhorst's plaque
- Retinal microembolism
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •diabetes mellitus related eye conditions, , ,E09.3, E10.3, E11.3, E13.3
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury (trauma) of eye and orbitS05
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •syphilis related eye disorders, , ,A50.01, A50.3, A51.43, A52.71
Child Codes (4)
Related Codes(1)
Also Known As / Clinical Terms(15)
UMLS
- Cholesterol retinal embolusC1321321
- Cholesterol retinal embolus (disorder)C1321321
- Hollenhorst plaqueC1321321
- Hollenhorst's plaqueC1321321
- hollenhorst plaqueC1321321
- hollenhorst plaquesC1321321
- Partial Retinal Arterial OcclusionC0154839
- Partial arterial retinal occlusionC0154839
- Partial occlusion of retinal arteryC0154839
- Partial occlusion of retinal artery (disorder)C0154839
- Partial retinal arterial occlusionC0154839
- Partial retinal artery occlusionC0154839
- Partial retinal artery occlusion, unspecified eyeC0154839
- Retinal microembolismC0271078
- Retinal microembolism (disorder)C0271078
Frequently Asked Questions
What is the ICD-10 code for partial retinal artery occlusion?
The ICD-10-CM code for partial retinal artery occlusion is H34.21. The full clinical description is "Partial retinal artery occlusion". H34.21 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H34.21 mean?
ICD-10-CM code H34.21 represents “Partial retinal artery occlusion”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a non-billable header code. Use a more specific child code for billing purposes.
Is H34.21 a billable code?
No, H34.21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under H34.21.
What chapter is H34.21 in?
H34.21 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H34.21?
H34.21 has Excludes1 notes indicating codes that cannot be used together with it, including: amaurosis fugax (G45.3).
What are the subcategories under H34.21?
H34.21 has 4 child codes, including: H34.211 (Partial retinal artery occlusion, right eye), H34.212 (Partial retinal artery occlusion, left eye), H34.213 (Partial retinal artery occlusion, bilateral), H34.219 (Partial retinal artery occlusion, unspecified eye).
What are the UMLS CUIs for H34.21?
H34.21 is linked to 3 UMLS Concept Unique Identifiers: C1321321, C0154839, C0271078. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H34.21 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like partial retinal artery occlusion affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of H34.21?
There is no direct ICD-11 mapping available for H34.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.