H21.81
BillableFloppy iris syndrome
Floppy iris syndrome
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Intraoperative floppy iris syndrome (IFIS)
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
Use Additional Code
Additional codes that should follow this code
Related Codes(2)
Also Known As / Clinical Terms(23)
SNOMED CT
- IFIS - intraoperative floppy iris syndrome418801006
- Intraoperative floppy iris syndrome418801006
- Intraoperative floppy iris syndrome following administration of tamsulosin420545001
- Bilateral intraoperative floppy iris syndrome16000191000119101
- Intraoperative floppy iris syndrome of bilateral eyes16000191000119101
- Intraoperative floppy iris syndrome of both eyes16000191000119101
- Intraoperative floppy iris syndrome of left eye16000271000119108
- Intraoperative floppy iris syndrome of right eye16000231000119105
UMLS
Clinical Terms
- Intraoperative floppy iris syndrome (IFIS)
- Intraoperative floppy iris syndrome of left eye
- Intraoperative floppy iris syndrome of bilateral eyes
- Intraoperative floppy iris syndrome
- Intraoperative floppy iris syndrome (disorder)
- Bilateral intraoperative floppy iris syndrome
- Intraoperative floppy iris syndrome of both eyes
- IFIS - intraoperative floppy iris syndrome
- Intraoperative floppy iris syndrome following administration of tamsulosin
- Intraoperative floppy iris syndrome of right eye
Frequently Asked Questions
What is the ICD-10 code for floppy iris syndrome?
The ICD-10-CM code for floppy iris syndrome is H21.81. The full clinical description is "Floppy iris syndrome". H21.81 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H21.81 mean?
ICD-10-CM code H21.81 represents “Floppy iris syndrome”. 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 H21.81 a billable code?
Yes, H21.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H21.81 in?
H21.81 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
Are additional codes required with H21.81?
Yes, when using H21.81, also report: adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What SNOMED CT codes does H21.81 map to?
H21.81 maps to 5 SNOMED CT concepts: 16000191000119101, 418801006, 420545001, 16000271000119108, 16000231000119105. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H21.81?
H21.81 is linked to 2 UMLS Concept Unique Identifiers: C1735601, C1688637. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H21.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like floppy iris syndrome 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 H21.81?
There is no direct ICD-11 mapping available for H21.81 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.