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 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)
- sympathetic uveitis (H44.1-)
Also Known As / Clinical Terms
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
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.
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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.