ANOVA	Analysis of variance
CCC	Lin’s concordance correlation coefficient
CHO	Chinese hamster ovary
CI	Confidence interval
CV	Coefficient of variation
DDA	Data-dependent acquisition
ddaPASEF	Data-dependent acquisition with parallel accumulation–serial fragmentation
DIA	Data-independent acquisition
ELISA	Enzyme-linked immunosorbent assay
FDP	False discovery proportion
FDR	False discovery rate
GMP	Good manufacturing practice
HC3	Heteroscedasticity-consistent standard errors (type 3)
HCP	Host cell protein
Hi3	Top-three peptide intensity summation
ICH	International Council for Harmonisation
I–MR	Individuals–Moving Range
KDE	Kernel density estimation
LC–MS/MS	Liquid chromatography–tandem mass spectrometry
LLOQ	Lower limit of quantification
LoA	Limits of agreement
mAb	Monoclonal antibody
MW	Molecular weight
ppm	Parts per million (ng HCP per mg product protein)
PSM	Peptide-spectrum match
REML	Restricted maximum likelihood
RTC	Retention time calibration
SD	Standard deviation
SFSTP	Société Française des Sciences et Techniques Pharmaceutiques
SIL-HCP	Stable isotope-labeled host cell protein (standard)
SST	System suitability test
TE	Total error
TI	Tolerance interval
TIMS-PASEF	Trapped ion mobility spectrometry with parallel accumulation–serial fragmentation
ULOQ	Upper limit of quantification
USP	United States Pharmacopeia
WLS	Weighted least squares