ICD-10 Codes that may support medical necessity:
D69.0 Allergic purpura
H10.401 – H10.409 Unspecified chronic conjunctivitis
H10.421 – H10.429 Simple chronic conjunctivitis
H10.44 Vernal conjunctivitis
H16.261 – H16.269 Vernal keratoconjunctivitis, with limbar and corneal involvement
H10.411 – H10.419 Chronic giant papillary conjunctivitis
H10.45 Other chronic allergic conjunctivitis
H10.9 Unspecified conjunctivitis
J30.0 – J30.9 Vasomotor and allergic rhinitis
J31.0 – J31.2 Chronic rhinitis, nasopharyngitis and pharyngitis
J32.0 – J32.9 Chronic sinusitis
J33.0 – J33.9 Nasal polyp
J45.20 – J45.998 Asthma
K52.21-K52.29 Allergic and dietetic gastroenteritis and colitis
K52.89 Other specified noninfective gastroenteritis and colitis
K52.9 Noninfective gastroenteritis and colitis, unspecified
L20.0 – L20.9 Atopic dermatitis
L22 Diaper dermatitis
L23.0 – L23.9 Allergic contact dermatitis
L24.0 – L24.9 Irritant contact dermatitis
L25.0 – L25.9 Unspecified contact dermatitis
L27.0 – L27.9 Dermatitis due to substances taken internally
L29.8 Other pruritus
L29.9 Pruritus, unspecified
L30.0 – L30.9 Other and unspecified dermatitis
L50.0 Allergic urticaria
L50.1 Idiopathic urticaria
L50.6 Contact urticaria
L50.8 Other urticaria
L50.9 Urticaria, unspecified
L56.4 Polymorphous light eruption
T50.905A-T50.905S Adverse effect of unspecified drugs, medicaments and biological
substances
T50.995A-T50.905S Adverse effect of other drugs, medicaments and biological
substances
T78.00xA-T78.1xxS Anaphylactic reaction due to food
T78.40xA-T78.49xS Other and unspecified allergy
Z01.82 Encounter for allergy testing
Z91.010 – Z91.09 Allergy status, other than to drugs and biological substances
CPT/HCPCS Codes
Testing:
(Laboratory tests are subject to laboratory benefits)
82785 Gammaglobulin; IgE
86001 Allergen specific IgG quantitative or semiquantitative, each allergen
