A subconjunctival hemorrhage occurs when a small blood vessel ruptures beneath the conjunctiva — the thin, transparent membrane covering the sclera. Because the conjunctiva cannot absorb blood quickly, it becomes trapped and visibly pools, creating a sharply demarcated red or reddish-brown discoloration on the surface of the eye. It is typically painless, does not affect vision, and usually resolves spontaneously within 1-3 weeks. It may occur spontaneously, after trauma, Valsalva maneuvers (e.g., coughing, sneezing, straining), or as a complication of ocular or systemic conditions.


greek Sub- Latin, Under, beneath conjunctiv- Latin - conjunctivus; That which joins/connects (the membrane that “joins” the eyelid to the globe) -al Latin suffixRelating to hemo-** Greek haima Blood **-rrhage **Greek rhegnynai To burst forth


CODING AND NUANCES

🏥 ICD-10-CM Codes

These codes are 5 characters — ICD-10-CM codes do not always require 7 characters; 7th characters are only applicable when the code structure demands it (e.g., fractures, injuries). H11.3x codes are complete at 5 characters.

CodeDescriptionHIPAA Valid
H11.30Conjunctival hemorrhage, unspecified eye
H11.31Conjunctival hemorrhage, right eye
H11.32Conjunctival hemorrhage, left eye
H11.33Conjunctival hemorrhage, bilateral

⚠️ H11.3 (without the 5th character) is the category header — not valid for HIPAA transactions. Always code to the highest level of specificity (laterality).


🔗 Related ICD-10-CM Codes

CodeDescriptionWhen to Consider
H59.311Postprocedural hemorrhage of right eye/adnexa following ophthalmic procedurePost-op eye surgery complication
H59.312Postprocedural hemorrhage of left eye/adnexa following ophthalmic procedurePost-op eye surgery complication
H59.321Postprocedural hemorrhage of right eye/adnexa following other procedurePost-non-ophthalmic procedure
H59.322Postprocedural hemorrhage of left eye/adnexa following other procedurePost-non-ophthalmic procedure
H43.11Vitreous hemorrhage, right eyeDeeper hemorrhage, more serious
H43.12Vitreous hemorrhage, left eyeDeeper hemorrhage, more serious
H35.61Retinal hemorrhage, right eyeDeeper hemorrhage, more serious
S05.10XA/D/SContusion of eyeball/orbital tissuesIf traumatic in origin

🔧 Related CPT Codes

Subconjunctival hemorrhage is almost exclusively managed conservatively (observation), so procedural coding is rare. Related CPTs would apply to underlying cause workup or associated procedures:

CPTDescriptionNotes
92002Ophthalmological services, new patient, intermediateE&M for evaluation
92012Ophthalmological services, established patient, intermediateE&M for follow-up
92014Ophthalmological services, established patient, comprehensiveFull eye exam
92250Fundus photographyIf retinal pathology suspected
92004Ophthalmological services, new patient, comprehensiveNew pt full exam
65205Removal of foreign body, conjunctival, superficialIf traumatic etiology with FB



💡 INPATIENT CODING TIPS

  • Query for laterality — unspecified eye (H11.30) should be a last resort.
  • If the hemorrhage is a complication of an inpatient procedure, use the H59.3xx series instead of H11.3x, and sequence appropriately per POA guidelines.
  • A subconjunctival hemorrhage found incidentally during admission for another condition should be coded as an additional diagnosis only if it receives clinical evaluation or treatment per UHDDS guidelines.
  • If associated with hypertension, bleeding disorder, or anticoagulation, code those conditions as well — they support medical necessity.

Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms