CS Site-Specific Factor 6

Clinical Extension for Second Eye

Notes

**Note**: If bilateral involvement, code clinical extension for lesser, second eye at the time of initial diagnosis of tumor in the second eye.

Default

988

NAACCR Item

NAACCR #2930
Code Description
000 No evidence of tumor in second eye
120 Volume no more than two-thirds of eye
AND
Largest dimension not greater than 3mm
AND
Location not closer than 1.5mm to optic nerve or fovea
AND
Tumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5mm from base of tumor
AND
Retinal detachment not present

Stated as T1a with no other information on extension
140 Volume no more than two-thirds of eye
AND
(Largest dimension greater than 3mm OR
Location closer than 1.5mm to optic nerve or fovea)
AND
Tumor formation: No vitreous or subretinal seeding and no subretinal fluid beyond 5mm from base of tumor
AND
Retinal detachment not present

Stated as T1b with no other information on extension
160 Volume no more than two-thirds of eye
AND
(Largest dimension greater than 3mm OR
Location closer than 1.5mm to optic nerve or fovea)
AND
(Tumor formation: Subretinal fluid beyond 5mm from base of tumor OR
Retinal detachment present)

Stated as T1c with no other information on extension
180 Volume no more than two-thirds of eye
AND
Tumor formation: No vitreous or subretinal seeding

Stated as T1 [NOS] with no other information on extension
420 Volume no more than two-thirds of eye
AND
Tumor Formation: Focal vitreous and/or subretinal seeding of fine aggregates of tumor cells but no large clumps or "snowballs" of tumor cells
AND
Retinal detachment may be present

Stated as T2a with no other information on extension
440 Volume no more than two-thirds of eye
AND
Tumor formation: Massive vitreous and/or subretinal seeding defined as diffuse clumps or "snowballs" of tumor cells
AND
Retinal detachment may be present

Stated as T2b with no other information on extension
460 Volume no more than two-thirds of eye
AND
Tumor formation: Vitreous and/or subretinal seeding
AND
Retinal detachment may be present

Stated as T2 [NOS] with no other information on extension
500 Severe intraocular disease in second eye:
Tumor occupies more than two-thirds volume of eye

Stated as T3a with no other information on extension
520 Severe intraocular disease in second eye:
One or more complications present including:
Tumor-associated neovascular or angle closure glaucoma
Tumor extension into anterior segment
Hyphema (blood in anterior chamber)
Vitreous hemorrhage
Orbital cellulitis

Stated as T3b with no other information on extension
540 Severe intraocular disease in second eye, NOS

Stated as T3 [NOS] with no other information on extension
680 Extraocular disease in second eye detected by imaging studies:
Invasion of optic nerve

Stated as T4a with no other information on extension
700 Extraocular disease in second eye detected by imaging studies:
Invasion into orbit

Stated as T4b with no other information on extension
720 Extraocular disease in second eye detected by imaging studies:
Intracranial extension not past chiasm

Stated as T4c with on other information on extension
740 Extraocular disease in second eye detected by imaging studies:
Intracranial extension past chiasm

Stated as T4d with no other information on extension
760 Extraocular disease in second eye, NOS

Stated as T4 [NOS] with no other information on extension
888 OBSOLETE DATA CONVERTED V0200

Converted to code 988

Not applicable
988 Not applicable: Information not collected for this case
(May include cases converted from code 888 used in CSv1 for "Not applicable" or when the item was not collected. If this item is required to derive T, N, M, or any stage, use of code 988 may result in an error.)
999 Unknown extension
Primary tumor cannot be assessed
Not documented in patient record