H21.342 Primary cyst of pars plana, left eye
Instructional Notes:
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H21.342
Description: Primary cyst of pars plana, left eye
↓
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H21.34
Description: Primary cyst of pars plana
↓
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H21.3
Description: Cyst of iris, ciliary body and anterior chamber
Exclude2:
- miotic pupillary cyst (H21.27-)
↓
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H21
Description: Other disorders of iris and ciliary body
Exclude2:
- sympathetic uveitis (H44.1-)
↓
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H15-H22
Description: Disorders of sclera, cornea, iris and ciliary body (H15-H22)
↓
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H00-H59
Description: Diseases of the eye and adnexa
Exclude2:
- 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)
Notes:
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition