H49.10
BillableFourth [trochlear] nerve palsy, unspecified eye
Fourth [trochlear] nerve palsy, unspecified eye
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)
- nystagmus and other irregular eye movements (H55)
- internal ophthalmoplegia (H52.51-)
- internuclear ophthalmoplegia (H51.2-)
- progressive supranuclear ophthalmoplegia (G23.1)
Also Known As / Clinical Terms
SNOMED CT
- Abnormal nervous system function13028004
- Abnormal neurological function13028004
- 4th nerve palsy20610004
- Fourth cranial nerve palsy20610004
- Fourth cranial nerve paralysis20610004
- Fourth cranial nerve paresis20610004
- Fourth nerve palsy20610004
- IV nerve palsy20610004
- Superior oblique palsy20610004
- Trochlear nerve palsy20610004
- Trochlear nerve paralysis20610004
- Trochlear nerve weakness20610004
- Oculomotor nerve finding106153001
- Third cranial nerve finding106153001
- Fourth cranial nerve finding106154007
- Trochlear nerve finding106154007
- Abducens nerve finding106156009
- Sixth cranial nerve finding106156009
- Familial congenital palsy of trochlear nerve782679002
- Congenital fourth cranial nerve palsy1204418008
- Congenital palsy of trochlear nerve1204418008
- Congenital superior oblique palsy1204418008
- Congenital trochlear nerve palsy1204418008
- Acute trochlear nerve palsy1208901009
- Acquired trochlear nerve palsy1208908003
- Chronic fourth nerve palsy with spread of comitance1217663003
- Chronic trochlear nerve palsy with spread of comitance1217663003
- Chronic fourth nerve palsy1217665005
- Chronic trochlear nerve palsy1217665005
- Cranial nerves three, four and six abnormal450291000124108
Frequently Asked Questions
What is the ICD-10 code for fourth [trochlear] nerve palsy, unspecified eye?
The ICD-10-CM code for fourth [trochlear] nerve palsy, unspecified eye is H49.10. The full clinical description is "Fourth [trochlear] nerve palsy, unspecified eye". H49.10 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H49.10 mean?
ICD-10-CM code H49.10 represents "Fourth [trochlear] nerve palsy, unspecified 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 H49.10 a billable code?
Yes, H49.10 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H49.10 in?
H49.10 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What SNOMED CT codes does H49.10 map to?
H49.10 maps to 12 SNOMED CT concepts: 20610004, 106156009, 13028004, 1208908003, 1208901009, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H49.10?
H49.10 is linked to 1 UMLS Concept Unique Identifier: C2881284. 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.