H21.56
Non-billablePupillary abnormalities
Pupillary abnormalities
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
- Deformed pupil
- Ectopic pupil
- Rupture of sphincter, pupil
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
Child Codes (4)
Related Codes(6)
Also Known As / Clinical Terms(40)
UMLS
- Abnormal pupilC0154936
- Abnormal pupil (finding)C0154936
- Abnormal pupil morphologyC0154936
- Abnormal pupillary morphologyC0154936
- Abnormality of the pupilC0154936
- Pupillary abnormalitiesC0154936
- Pupillary abnormalityC0154936
- Abnormal pupil shapeC0271134
- Abnormal shape of pupilC0271134
- Deformed PupilC0271134
- Deformed PupilsC0271134
- Deformed pupilC0271134
- Deformed pupil (finding)C0271134
- DyscoriaC0271134
- Irregular pupilC0271134
- Pupil, DeformedC0271134
- Pupils, DeformedC0271134
- abnormal pupils shapedC0271134
- dyscoriaC0271134
- CorectopiaC0271135
- Displaced pupilsC0271135
- Ectopic PupilC0271135
- Ectopic PupilsC0271135
- Ectopic pupilC0271135
- Ectopic pupil (disorder)C0271135
- Pupil, EctopicC0271135
- Pupils, EctopicC0271135
- corectopiaC0271135
- ectopic pupilsC0271135
- Iris sphincter tearC0751457
- Pupillary Sphincter RuptureC0751457
- Pupillary Sphincter RupturesC0751457
- Rupture of iris sphincterC0751457
- Rupture of sphincter of pupilC0751457
- Rupture of sphincter of pupil (disorder)C0751457
- Rupture of sphincter, pupilC0751457
- Rupture, Pupillary SphincterC0751457
- Ruptures, Pupillary SphincterC0751457
- Sphincter Rupture, PupillaryC0751457
- Sphincter Ruptures, PupillaryC0751457
Frequently Asked Questions
What is the ICD-10 code for pupillary abnormalities?
The ICD-10-CM code for pupillary abnormalities is H21.56. The full clinical description is "Pupillary abnormalities". H21.56 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H21.56 mean?
ICD-10-CM code H21.56 represents “Pupillary abnormalities”. 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 H21.56 a billable code?
No, H21.56 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 H21.56.
What chapter is H21.56 in?
H21.56 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H21.56?
H21.56 has Excludes1 notes indicating codes that cannot be used together with it, including: corectopia (Q13.2); congenital deformity of pupil (Q13.2-).
What are the subcategories under H21.56?
H21.56 has 4 child codes, including: H21.561 (Pupillary abnormality, right eye), H21.562 (Pupillary abnormality, left eye), H21.563 (Pupillary abnormality, bilateral), H21.569 (Pupillary abnormality, unspecified eye).
What are the UMLS CUIs for H21.56?
H21.56 is linked to 4 UMLS Concept Unique Identifiers: C0154936, C0271134, C0271135, C0751457. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H21.56 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like pupillary abnormalities 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 H21.56?
There is no direct ICD-11 mapping available for H21.56 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.