HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code A01.2: Paratyphoid fever B

A01.2 is a billable ICD-10 diagnosis code used to classify Paratyphoid fever B 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 Certain infectious and parasitic diseases (A00-B99).

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 Certain infectious and parasitic diseases (A00-B99).

When is it used?

  • May be used when a clinician documents paratyphoid fever b 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
1Certain infectious and parasitic diseases (A00-B99)
block
A00-A09Intestinal infectious diseases
category
A01Typhoid and paratyphoid fevers
currentA01

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

Infectious Disease SpecialistGeneral Physician

Coverage-related procedures and services

CPT 87154high
CULTURE, TYPING; IDENTIFICATION OF BLOOD PATHOGEN AND RESISTANCE TYPING, WHEN PERFORMED, BY NUCLEIC ACID (DNA OR RNA) PROBE, MULTIPLEXED AMPLIFIED PROBE TECHNIQUE INCLUDING MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, PER CULTURE OR ISOLATE, 6 OR MORE TARGETS
Source: CMS coverage guidance
CPT 87505high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); GASTROINTESTINAL PATHOGEN (EG, CLOSTRIDIUM DIFFICILE, E. COLI, SALMONELLA, SHIGELLA, NOROVIRUS, GIARDIA), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 3-5 TARGETS
Source: CMS coverage guidance
CPT 0142Uhigh
INFECTIOUS DISEASE (BACTERIA AND FUNGI), GRAM-NEGATIVE BACTERIAL IDENTIFICATION AND DRUG RESISTANCE ELEMENT DETECTION, DNA (21 GRAM-NEGATIVE BACTERIAL TARGETS, 6 RESISTANCE GENES, 1 PAN GRAM-POSITIVE BACTERIAL TARGET, 1 PAN CANDIDA TARGET), AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 0141Uhigh
INFECTIOUS DISEASE (BACTERIA AND FUNGI), GRAM-POSITIVE ORGANISM IDENTIFICATION AND DRUG RESISTANCE ELEMENT DETECTION, DNA (20 GRAM-POSITIVE BACTERIAL TARGETS, 4 RESISTANCE GENES, 1 PAN GRAM-NEGATIVE BACTERIAL TARGET, 1 PAN CANDIDA TARGET), BLOOD CULTURE, AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 0140Uhigh
INFECTIOUS DISEASE (FUNGI), FUNGAL PATHOGEN IDENTIFICATION, DNA (15 FUNGAL TARGETS), BLOOD CULTURE, AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 87507high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); GASTROINTESTINAL PATHOGEN (EG, CLOSTRIDIUM DIFFICILE, E. COLI, SALMONELLA, SHIGELLA, NOROVIRUS, GIARDIA), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 12-25 TARGETS
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
A01.2

Common synonyms

Paratyphoid fever B

Frequently asked questions

Code details

CodeA01.2
SystemICD10
Display nameParatyphoid fever B
ChapterCertain infectious and parasitic diseases (A00-B99)
BlockIntestinal infectious diseases

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)

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 A01.2 for Paratyphoid fever B | HealthAssure