Is T85.840 a billable ICD-10-CM code?

No. T85.840 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T85.840 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).

T85.840

T85.840 — Pain due to nervous system prosthetic devices, implants and grafts

Non-billable headerICD-10-CM

T85.840 is a non-billable header ICD-10-CM code for pain due to nervous system prosthetic devices, implants and grafts. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T85

A: initial encounter
D: subsequent encounter
S: sequela

Risk adjustment

T85.840 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How T85.840 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T85.840.

Complication›ventricular›pain
Pain›due to device, implant or graft›ventricular intracranial shunt
Complication›catheter NEC›epidural infusion›pain
Complication›catheter NEC›subdural infusion›pain
Complication›electronic stimulator device›brain›pain
Complication›electronic stimulator device›nervous system›pain
Complication›electronic stimulator device›peripheral nerve›pain
Complication›electronic stimulator device›spinal cord›pain
Pain›due to device, implant or graft›electronic›nervous system(brain) (peripheral nerve) (spinal)
Pain›due to device, implant or graft›catheter NEC›infusion NEC›spinal(epidural) (subdural)

Code to one of these instead T85.840

3 child codes. Green means billable.

Related codes at this level

Codes that share T85.84. If T85.840 is not quite right, the correct code is usually one of these.

T85.848Pain due to other internal prosthetic devices, implants and grafts

Questions about T85.840

Is T85.840 a billable ICD-10-CM code?: No. T85.840 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T85.840 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).