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ICD10BillableValid for clinical use

ICD-10 Code Z45.42: Encounter for adjustment and management of neurostimulator

Z45.42 is a billable ICD-10 diagnosis code used to classify Encounter for adjustment and management of neurostimulator in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

When is it used?

  • May be used when a clinician documents encounter for adjustment and management of neurostimulator in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
21Factors influencing health status and contact with health services (Z00-Z99)
block
Z40-Z53Encounters for other specific health care
category
Z45Encounter for adjustment and management of implanted device
category
Z45.4Encounter for adjustment and management of implanted nervous system device
currentZ45.4

Official coding notes

Inclusion terms
  • Encounter for adjustment and management of brain neurostimulator
  • Encounter for adjustment and management of gastric neurostimulator
  • Encounter for adjustment and management of peripheral nerve neurostimulator
  • Encounter for adjustment and management of sacral nerve neurostimulator
  • Encounter for adjustment and management of spinal cord neurostimulator
  • Encounter for adjustment and management of vagus nerve neurostimulator

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Coverage-related procedures and services

CPT 0789Thigh
ELECTRONIC ANALYSIS WITH COMPLEX PROGRAMMING OF IMPLANTED INTEGRATED NEUROSTIMULATION SYSTEM (EG, ELECTRODE ARRAY AND RECEIVER), INCLUDING CONTACT GROUP(S), AMPLITUDE, PULSE WIDTH, FREQUENCY (HZ), ON/OFF CYCLING, BURST, DOSE LOCKOUT, PATIENT-SELECTABLE PARAMETERS, RESPONSIVE NEUROSTIMULATION, DETECTION ALGORITHMS, CLOSED-LOOP PARAMETERS, AND PASSIVE PARAMETERS, WHEN PERFORMED BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL, SPINAL CORD OR SACRAL NERVE, 4 OR MORE PARAMETERS
Source: CMS coverage guidance
CPT 0788Thigh
ELECTRONIC ANALYSIS WITH SIMPLE PROGRAMMING OF IMPLANTED INTEGRATED NEUROSTIMULATION SYSTEM (EG, ELECTRODE ARRAY AND RECEIVER), INCLUDING CONTACT GROUP(S), AMPLITUDE, PULSE WIDTH, FREQUENCY (HZ), ON/OFF CYCLING, BURST, DOSE LOCKOUT, PATIENT-SELECTABLE PARAMETERS, RESPONSIVE NEUROSTIMULATION, DETECTION ALGORITHMS, CLOSED-LOOP PARAMETERS, AND PASSIVE PARAMETERS, WHEN PERFORMED BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL, SPINAL CORD OR SACRAL NERVE, 1-3 PARAMETERS
Source: CMS coverage guidance
CPT 0787Thigh
REVISION OR REMOVAL OF NEUROSTIMULATOR ELECTRODE ARRAY, SACRAL, WITH INTEGRATED NEUROSTIMULATOR
Source: CMS coverage guidance
HCPCS C1883high
ADAPTER/EXTENSION, PACING LEAD OR NEUROSTIMULATOR LEAD (IMPLANTABLE)
Source: CMS coverage guidance
CPT 95970high
ELECTRONIC ANALYSIS OF IMPLANTED NEUROSTIMULATOR PULSE GENERATOR/TRANSMITTER (EG, CONTACT GROUP[S], INTERLEAVING, AMPLITUDE, PULSE WIDTH, FREQUENCY [HZ], ON/OFF CYCLING, BURST, MAGNET MODE, DOSE LOCKOUT, PATIENT SELECTABLE PARAMETERS, RESPONSIVE NEUROSTIMULATION, DETECTION ALGORITHMS, CLOSED LOOP PARAMETERS, AND PASSIVE PARAMETERS) BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL; WITH BRAIN, CRANIAL NERVE, SPINAL CORD, PERIPHERAL NERVE, OR SACRAL NERVE, NEUROSTIMULATOR PULSE GENERATOR/TRANSMITTER, WITHOUT PROGRAMMING
Source: CMS coverage guidance
CPT 95972high
ELECTRONIC ANALYSIS OF IMPLANTED NEUROSTIMULATOR PULSE GENERATOR/TRANSMITTER (EG, CONTACT GROUP[S], INTERLEAVING, AMPLITUDE, PULSE WIDTH, FREQUENCY [HZ], ON/OFF CYCLING, BURST, MAGNET MODE, DOSE LOCKOUT, PATIENT SELECTABLE PARAMETERS, RESPONSIVE NEUROSTIMULATION, DETECTION ALGORITHMS, CLOSED LOOP PARAMETERS, AND PASSIVE PARAMETERS) BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL; WITH COMPLEX SPINAL CORD OR PERIPHERAL NERVE (EG, SACRAL NERVE) NEUROSTIMULATOR PULSE GENERATOR/TRANSMITTER PROGRAMMING BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Encounter for adjustment and management of neurostimulator

Frequently asked questions

Code details

CodeZ45.42
SystemICD10
Display nameEncounter for adjustment and management of neurostimulator
ChapterFactors influencing health status and contact with health services (Z00-Z99)
BlockEncounters for other specific health care

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Admission(for)Admission(for)Admission(for)Admission(for)Admission(for)Admission(for)Admission(for)Admission(for)AftercareEncounter(with health service) (for)Fitting(and adjustment) (of)Fitting(and adjustment) (of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Z45.42 for Encounter for adjustment and management of neurostimulator | HealthAssure