H10.21
Non-billableAcute toxic conjunctivitis
Acute toxic conjunctivitis
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
- Acute chemical conjunctivitis
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)
Code First
The underlying condition must be sequenced before this code
- (T51-T65) to identify chemical and intent
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for acute toxic conjunctivitis?
The ICD-10-CM code for acute toxic conjunctivitis is H10.21. The full clinical description is "Acute toxic conjunctivitis". H10.21 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H10.21 mean?
ICD-10-CM code H10.21 represents "Acute toxic conjunctivitis". 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 H10.21 a billable code?
No, H10.21 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 H10.21.
What chapter is H10.21 in?
H10.21 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H10.21?
H10.21 has Excludes1 notes indicating codes that cannot be used together with it, including: keratoconjunctivitis (H16.2-); burn and corrosion of eye and adnexa (T26.-).
What are the subcategories under H10.21?
H10.21 has 4 child codes, including: H10.211 (Acute toxic conjunctivitis, right eye), H10.212 (Acute toxic conjunctivitis, left eye), H10.213 (Acute toxic conjunctivitis, bilateral), H10.219 (Acute toxic conjunctivitis, unspecified eye).
What are the UMLS CUIs for H10.21?
H10.21 is linked to 2 UMLS Concept Unique Identifiers: C2712777, C2712776. 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.