H18.6
Non-billableKeratoconus
Keratoconus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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)
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for keratoconus?
The ICD-10-CM code for keratoconus is H18.6. The full clinical description is "Keratoconus". H18.6 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H18.6 mean?
ICD-10-CM code H18.6 represents "Keratoconus". 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 H18.6 a billable code?
No, H18.6 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under H18.6.
What chapter is H18.6 in?
H18.6 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What are the subcategories under H18.6?
H18.6 has 3 child codes, including: H18.60 (Keratoconus, unspecified), H18.61 (Keratoconus, stable), H18.62 (Keratoconus, unstable).
What are the UMLS CUIs for H18.6?
H18.6 is linked to 1 UMLS Concept Unique Identifier: C0022578. 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.