H40.009 Preglaucoma, unspecified, unspecified eye
Instructional Notes:
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H40.009
Description: Preglaucoma, unspecified, unspecified eye
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H40.00
Description: Preglaucoma, unspecified
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H40.0
Description: Glaucoma suspect
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H40
Description: Glaucoma
Exclude1:
- absolute glaucoma (H44.51-)
- congenital glaucoma (Q15.0)
- traumatic glaucoma due to birth injury (P15.3)
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H40-H42
Description: Glaucoma (H40-H42)
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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