H51.1
Non-billableConvergence insufficiency and excess
Convergence insufficiency and excess
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
- •nystagmus and other irregular eye movementsH55
Child Codes (2)
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for convergence insufficiency and excess?
The ICD-10-CM code for convergence insufficiency and excess is H51.1. The full clinical description is "Convergence insufficiency and excess". H51.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H51.1 mean?
ICD-10-CM code H51.1 represents “Convergence insufficiency and excess”. 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 H51.1 a billable code?
No, H51.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under H51.1.
What chapter is H51.1 in?
H51.1 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What are the subcategories under H51.1?
H51.1 has 2 child codes, including: H51.11 (Convergence insufficiency), H51.12 (Convergence excess).
What are the UMLS CUIs for H51.1?
H51.1 is linked to 1 UMLS Concept Unique Identifier: C0494547. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H51.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like convergence insufficiency and excess 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 H51.1?
H51.1 maps to the ICD-11 code: 9C83.Z (Disorders of binocular movement, unspecified).
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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.