H21.543
BillablePosterior synechiae (iris), bilateral
Posterior synechiae (iris), bilateral
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
- •sympathetic uveitisH44.1
Related Codes(3)
Also Known As / Clinical Terms(37)
SNOMED CT
- Posterior synechiae111512005
- Angle-closure due to posterior synechiae1286853005
- Secondary angle-closure - synechial1286853005
- Angle-closure of right eye due to posterior synechiae1300227001
- Secondary angle-closure of right eye - synechial1300227001
- Angle-closure of left eye due to posterior synechiae1300229003
- Secondary angle-closure of left eye - synechial1300229003
- Angle-closure of bilateral eyes due to posterior synechiae1300230008
- Angle-closure of both eyes due to posterior synechiae1300230008
- Secondary angle-closure of bilateral eyes - synechial1300230008
- Bilateral posterior synechiae of iris eyes344351000119108
- Posterior synechiae of iris of bilateral eyes344351000119108
- Posterior synechiae of iris of both eyes344351000119108
- Bilateral synechia of irises678281000119106
- Synechia of iris of bilateral eyes678281000119106
- Synechia of iris of both eyes678281000119106
- Posterior synechiae of iris of left eye338581000119101
- Posterior synechiae of iris of right eye332971000119108
Clinical Terms
- Secondary angle-closure - synechial
- Posterior synechiae of iris of left eye
- Secondary angle-closure of right eye - synechial
- Bilateral synechia of irises
- Posterior synechiae of iris of bilateral eyes
- Synechia of iris of both eyes
- Posterior synechiae of iris of right eye
- Secondary angle-closure of left eye - synechial
- Synechia of iris of bilateral eyes
- Angle-closure due to posterior synechiae
- Angle-closure of left eye due to posterior synechiae
- Angle-closure of both eyes due to posterior synechiae
- Posterior synechiae
- Angle-closure of right eye due to posterior synechiae
- Posterior synechiae of iris of both eyes
- Secondary angle-closure of bilateral eyes - synechial
- Angle-closure of bilateral eyes due to posterior synechiae
- Bilateral posterior synechiae of iris eyes
Frequently Asked Questions
What is the ICD-10 code for posterior synechiae (iris), bilateral?
The ICD-10-CM code for posterior synechiae (iris), bilateral is H21.543. The full clinical description is "Posterior synechiae (iris), bilateral". H21.543 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H21.543 mean?
ICD-10-CM code H21.543 represents “Posterior synechiae (iris), bilateral”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a billable/specific code that can be used on a claim.
Is H21.543 a billable code?
Yes, H21.543 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H21.543 in?
H21.543 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H21.543?
H21.543 has Excludes1 notes indicating codes that cannot be used together with it, including: corectopia (Q13.2).
What SNOMED CT codes does H21.543 map to?
H21.543 maps to 9 SNOMED CT concepts: 1286853005, 1300230008, 1300229003, 1300227001, 344351000119108, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H21.543?
H21.543 is linked to 1 UMLS Concept Unique Identifier: C2880553. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H21.543 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like posterior synechiae (iris), bilateral 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 H21.543?
There is no direct ICD-11 mapping available for H21.543 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.