H40.002
BillablePreglaucoma, unspecified, left eye
Preglaucoma, unspecified, left eye
Coding Notes
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 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)
Also Known As / Clinical Terms
SNOMED CT
- Angle closure glaucoma suspect1003488007
- Angle closure glaucoma suspect of left eye1003490008
- Glaucoma suspect caused by corticosteroid1003530008
- Glaucoma suspect of left eye caused by corticosteroid1003534004
- Open angle glaucoma suspect1003614009
- Open angle glaucoma suspect of left eye1003615005
- Glaucoma suspect of left eye1306871002
- Suspected glaucoma of left eye15635571000119104
Frequently Asked Questions
What is the ICD-10 code for preglaucoma, unspecified, left eye?
The ICD-10-CM code for preglaucoma, unspecified, left eye is H40.002. The full clinical description is "Preglaucoma, unspecified, left eye". H40.002 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H40.002 mean?
ICD-10-CM code H40.002 represents "Preglaucoma, unspecified, left eye". 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 H40.002 a billable code?
Yes, H40.002 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H40.002 in?
H40.002 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H40.002?
H40.002 has Excludes1 notes indicating codes that cannot be used together with it, including: absolute glaucoma (H44.51-); congenital glaucoma (Q15.0); traumatic glaucoma due to birth injury (P15.3).
What SNOMED CT codes does H40.002 map to?
H40.002 maps to 8 SNOMED CT concepts: 1003488007, 1003490008, 1003530008, 1306871002, 1003534004, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H40.002?
H40.002 is linked to 1 UMLS Concept Unique Identifier: C3264148. 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.